79 results about "Skin type" patented technology

The invention discloses a wound healing state evaluation system based on multi-modal image mode recognition, relates to the technical field of mode recognition, and aims to construct a multi-modal and three-dimensional wound monitoring network structure and improve the accuracy and coverage dimension of wound tissue distribution monitoring, so that efficient and accurate healing state evaluation decision is realized. The healing process and patient individual differences are considered, the monitoring precision and diagnosis response speed of wound healing state evaluation are improved, the healing efficiency and rehabilitation effect in the wound treatment process are remarkably improved, the skin gray threshold value and the deformation index threshold value can be dynamically adjusted according to the individual characteristics of different patients, and the healing effect is improved. The continuous influence of tissue state misjudgment on healing evaluation is effectively prevented, evaluation deviation and treatment delay caused by subjective judgment are avoided, differential evaluation can be performed according to different skin types and healing characteristics, and the intelligent level of wound healing state evaluation and the precision of clinical application are effectively improved.

The application provides a personalized skin type determination method and device, electronic equipment and storage medium. The personalized skin type determination method comprises the following steps: acquiring a face global image corresponding to different shooting light source types; extracting a face local image from the face global image, wherein the face local image corresponds to face position area information and light source type information; inputting the face local image into a corresponding skin detection model according to the face position area information and the light source type information to obtain a skin type detection result; wherein the skin detection model is trained according to a face local image sample and a corresponding skin type label. Through the method, the skin type of the face skin can be determined, the time consumption for determining the skin type is shortened, and the work efficiency for determining the skin type is improved.

The invention discloses an enzyme-containing anti-inflammatory composition for pet skin and hair follicle health. The enzyme-containing anti-inflammatory composition comprises an enzyme preparation, a hair follicle maintenance agent, a functional auxiliary agent and a carrier raw material. The core innovation lies in that a hair follicle targeted enzymolysis technology is adopted, and a specific enzyme modified by polyethylene glycol can efficiently dredge hair follicles; the anti-inflammatory and hair follicle repairing dual effects are achieved through anti-inflammatory-maintenance synergistic matching and adding sequence optimization; the damaged barrier is rapidly repaired by combining a composite barrier repairing agent and a gradient permeation process; enzyme activity and mildness are guaranteed by adopting a microcapsule embedding and low-temperature preparation technology. The composition can specifically solve the problems of hair follicle blockage, inflammation and unhairing, is suitable for pets of all ages and skin types, and is high in practicability.

The invention discloses bath salt and a preparation method thereof. The bath salt is prepared from the following components in parts by mass: 60-75 parts of natural sea salt, 8-15 parts of a plant extract, 5-10 parts of a natural humectant, 1-3 parts of natural essential oil and 0.5-2 parts of a stabilizer, the plant extract is prepared from 2 to 4 parts of lavender extract, 3 to 5 parts of aloe extract and 3 to 6 parts of chamomile extract; the natural humectant comprises 3-6 parts of glycerol and 2-4 parts of honey extract. The bath salt prepared by the invention adopts pure natural components, is mild in property and non-irritant, is suitable for various skin types, and is particularly suitable for safe use of people with sensitive skin. The plant extract and the natural humectant are scientifically proportioned, so that the product can effectively clean and remarkably improve the skin care effect at the same time, and the dual effects of cleaning and maintaining are achieved.

The invention relates to a laser therapeutic instrument, a laser therapeutic instrument operation control device and a storage medium. The laser therapeutic instrument comprises a processor and a memory. Wherein the memory is used for storing computer programs; the processor executes the following steps when running a computer program: acquiring static characteristics and dynamic characteristics of a target object; based on the static features and the dynamic features, combining a tissue characteristic map and a prediction model to obtain a change trend prediction result of the target object; the tissue characteristic map comprises static characteristic reference values of different tissue types / skin types and a historical change rule curve of dynamic characteristics along with time; the prediction model is obtained based on constitutive equation training of the target object; on the basis of the variation trend prediction result, working parameters during operation on each region of the target object are determined in combination with an energy gradient distribution algorithm; and on the basis of the working parameters, real-time parameters of corresponding components in the laser therapeutic instrument are adjusted, and treatment of the target object is completed. Therefore, the accuracy and the stability of treatment are improved.

This invention discloses an anti-acne Propionibacterium acnes compound essential oil, its preparation method, and its application. The anti-acne Propionibacterium acnes compound essential oil is composed of the following components in the indicated mass percentages: 22%~28% helichrysum essential oil, 22%~28% sweet basil essential oil, 22%~28% eucalyptol rosemary essential oil, and 22%~28% true lavender essential oil. This invention achieves highly effective antibacterial activity against Propionibacterium acnes through a precise selection of four plant essential oils and a scientifically formulated compound. It also possesses multiple benefits including anti-inflammatory properties, promotion of skin cell regeneration, and a natural fragrance. Furthermore, the product is natural, safe, and has no side effects, is suitable for various skin types, and can be directly applied to the preparation of various acne-removing skincare products.

The utility model relates to flannel production equipment technical field discloses a preparation equipment of skin type super warm flannel fabric, including cabinet, the left side of cabinet is provided with conveyer belt no.

The invention relates to the technical field of skin care, and discloses pure plant compound liquid for removing warts and repairing a skin cuticle barrier and a preparation method of the pure plant compound liquid. The compound liquid is prepared by compounding a purslane extract, a brucea javanica extract, a honeysuckle extract, a licorice extract, an aloe extract, hyaluronic acid, glycerin, menthol and deionized water according to specific parts by weight. The preparation method comprises the steps of raw material pretreatment, basic liquid preparation, active ingredient addition, seasoning and homogenization, filtration and sterilization and the like. Whole plant extracts are adopted as core active ingredients, the synergistic effect of resisting viruses, removing warts, resisting inflammation and repairing skin barriers is achieved through scientific compounding, the activity of human papilloma viruses can be efficiently inhibited, wart shedding is promoted, damaged cuticles can be repaired, and skin resistance can be enhanced; the product is free of chemical preservatives and corrosive components, high in safety, small in irritation, suitable for various skin types, simple in preparation process and suitable for industrial large-scale production.

The present application relates to a beauty instrument dimming method and a beauty instrument, belonging to the technical field of photon beauty technology. The beauty instrument dimming method comprises the following steps: collecting skin color parameters of a user; comparing the collected skin color parameters with skin color parameters in a preset skin type database to determine a skin color type of the user; determining, according to the skin color type of the user and a preset correspondence, working parameters corresponding to the skin color type of the user, the working parameters comprising: a total energy value output by an energy storage capacitor in each discharge cycle, a number of strobe flashes of a light source in one discharge cycle, and an output power of a single strobe flash of the light source; and outputting, according to the working parameters corresponding to the skin color type of the user, the electric energy stored in the energy storage capacitor to the light source in a plurality of batches according to the total energy value thereof, such that the light source intermittently emits flashes to a part to be cosmetically treated, thereby significantly reducing the sensation of tingling or burning for dark-skinned users and improving the universality of the beauty instrument.

The invention relates to the technical field of daily chemical product production, and discloses an anti-aging plant shower gel and a preparation method thereof, and the anti-aging plant shower gel comprises the following components by weight: 25-40 parts of a plant extract; 22 to 30 parts of a surfactant; 20 to 28 parts of a humectant; 0.2 to 0.6 part of citric acid; 0.4 to 0.8 part of phenoxyethanol; and 100 to 120 parts of deionized water. The invention aims to provide anti-aging plant shower gel and a preparation method thereof. The shower gel takes the natural plant extract as a core component, has a remarkable anti-aging effect while realizing efficient cleaning, and can delay skin aging; the components are mild and non-irritant, and are suitable for various skin types; meanwhile, good moisturizing performance and use experience are achieved.

A server for diagnosing a disease of a user through wrinkle detection includes an interface unit for displaying an interface for selecting a photographing objective through a display linked with the server, and acquiring, from the user, an input signal indicating the photographing objective, a photography unit for controlling a skin photography device to capture an image of the skin, an image analysis unit for acquiring the image of the skin from the skin photography device, performing preprocessing on the basis of landmarks based on the image of the skin and determining the skin type and skin characteristics of the user based on the preprocessed image, a disease analysis unit for detecting wrinkles of the user based on the image of the skin, and diagnosing a disease of the user based on the detected wrinkles and a solution provision unit for providing a customized solution according to the diagnosed disease.

The invention provides compound essential oil with an anti-wrinkle effect and a preparation method and application of the compound essential oil, and belongs to the technical field of skin care product preparation. 5%-20% of frankincense essential oil; 5%-20% of sandalwood essential oil; 5%-15% of litsea cubeba essential oil; 10%-20% of myrrh essential oil; the compound essential oil is prepared through the processes of step-by-step constant-temperature stirring, nitrogen protection, dark curing and filtering and can be applied to skin care products such as essence oil, face cream, emulsion, eye cream or massage oil, and the adding amount is 1%-3%. The anti-wrinkle and skin-brightening essential oil achieves the effects of synergistically resisting oxidation, promoting collagen metabolism and repairing skin barrier of all the components, the anti-wrinkle and skin-brightening comprehensive effect is prominent, the preparation process is matched with the characteristics of active components of the essential oil, component loss is effectively reduced, the product stability is improved, the components are natural and mild, and the anti-wrinkle and skin-brightening essential oil conforms to relevant provisions of Cosmetic Safety Technical Specifications, is high in safety, and is suitable for industrial production. The mask is suitable for long-term use of various skins.

The application discloses a skin type prediction method for small sample data autonomous learning, and relates to the technical fields of deep learning and medical beauty skin type. The initial model is obtained by a convolutional neural network through a small number of labeled samples, and the subsequent new samples are accepted through the initial model, and whether the new samples have labeling value is judged according to the prediction result of the model, so that only the samples determined to be inaccurate by the model are selected for labeling and retraining. Compared with the existing skin type method, a single model can be used to obtain a more perfect result, the model is continuously iteratively optimized by using the enhanced unit in the actual use process, and the idea of active learning is used to select the samples with greater uncertainty for labeling, so that the number of samples needing expert labeling can be greatly reduced, and the labor cost is reduced. According to the reliability module, when the samples are expanded, the skin type with insufficient reliability is preferred, so that the final typing effect is improved.

The invention provides a skin care product recommendation method and device. A target user is guided to make a face posture according to a posture guide instruction; collecting a posture image of each face posture and a close-up image of a specified posture key area so as to determine a key area image; generating a skin analysis result of the key area image through three sub-models in the skin analysis model to determine a target skin care product; and questions and answers can be interacted with the target user. According to the mode, key area images are determined based on an original image containing a posture image and a close-up image, the key area images are input into a skin analysis model, the skin color, the skin type and the skin problem of a target user are subjected to collaborative analysis through a first sub-model, a second sub-model and a third sub-model, and a skin analysis result of each key area image is generated. The method can recommend a proper target skin care product for the user, can also solve the questions of the target user, and can provide a one-stop closed-loop service of skin detection-skin analysis-skin care product recommendation in various life scenes.

This invention belongs to the field of biodetection technology, specifically disclosing a novel skin typing method, biomarkers based on skin surface metabolomics typing, and their applications. Based on population-level skin surface metabolite measurement data and through multi-dimensional scientific analysis, this application ultimately discovered that the skin samples of the subjects formed two distinct clusters. This demonstrates that differences in metabolomics clusters based on skin typing objectively exist. Furthermore, the two distinct clusters based on the aforementioned skin surface metabolomics data are named "Metabolic Type 1" or "Metabolic Type 2." Simultaneously, these two typing methods also exhibit differences in various skin condition indicators (e.g., sebum levels, actual age, wrinkles, freckles, etc.). By using the typing method provided in this application to study skin surface metabolomics substances, one or more metabolites can be used as biomarkers to identify the specific skin typing level and guide adjustments to the desired skin condition. This application overcomes the limitations of existing methods that define skin typing solely based on dry, oily, etc., providing more comprehensive guidance for practice.

The invention relates to a method for preparing a facial mask from five-color rice paste rich in sialic acid, and belongs to the technical field of cosmetics. The method comprises the following steps: grinding colorful rice into powder, mixing the powder with 3-4 parts by weight of mineral water and 13-18 parts by weight of mineral water, heating, adding 1-2 parts by weight of sialic acid into 20-30 parts by weight of rice flour, stirring and mixing at 50-60 DEG C, carrying out sterile treatment, and storing. The problems that an existing cereal mask is low in active ingredient retention rate, poor in stability, high in irritation and single in effect are solved, the cereal mask has the advantages of being high in sialic acid retention rate, low in layering rate and low in sensitive skin irritation incidence rate, multiple effects of whitening, aging resisting and moisturizing are coordinated, and the cereal mask is suitable for most skin types and wide in application prospect.

A method for measuring skin parameters for analyzing skin needs using at least one measuring device (19, 20) in which the skin type of a consumer (16) of cosmetics and / or pharmaceuticals is examined, wherein the examination of the skin type is carried out at a location (10) freely determined by a provider (11) of the examination and / or by the consumer (23) of the cosmetics and / or pharmaceuticals, wherein the measuring device (19, 20) is transported to the freely determined location (10) by means of a means of transport (12) in the form of a case or transport box, and wherein the result of the skin examination is visually displayed, wherein a computer device (14) is integrated into the means of transport (12) and the computer device (14) is connected to the measuring device (19, 20).The results of the skin examination are displayed on the screen (16) of a monitor (15) using software, and several measurement parameters are used during the examination. To further develop the procedure so that, based on the comprehensive skin analysis, a differentiated product range tailored to the consumer's needs as a result of the skin examination or analysis is available to the consumer as quickly as possible, it is proposed that communication take place via a first interface (21) between the computer system (14) and an app (24) installed and running on a consumer's end device (22) (23). The app (24) is programmed to also allow communication via a second interface (25) between the app (24) and a computer system (26) belonging exclusively to a trading company (28) for cosmetics and / or pharmaceuticals.

The invention belongs to the technical field of external-use ointment, and particularly relates to external-use antibacterial ointment for skin and a preparation method of the external-use antibacterial ointment. The external antibacterial cream for the skin is prepared from the following raw materials in parts by weight: 120 to 210 parts of plant extract and 500 to 550 parts of base component. The plant extract comprises a xanthoceras sorbifolia extract, a cacumen biotae extract, a herba schizonepetae extract, a clove extract, a centella asiatica extract, a cortex phellodendri extract, a fructus chebulae extract, a fructus gardeniae extract, a liquorice extract and an aloe extract. Plant extracts are selected as main effective components, and the product is high in bacteriostasis rate, high in long-term storage stability, free of skin irritation and heavy metal residues and suitable for being used by people with various skin types, especially sensitive skin for a long time.

The invention relates to a method for measuring skin parameters for analyzing skin needs by means of at least one measuring device (19, 20), in which the skin type of a consumer (16) of cosmetics and / or pharmaceuticals is examined, wherein the examination of the skin type is performed at a location (10) that can be freely determined by a provider (11) of the examination and / or by the consumer (23) of the cosmetics and / or pharmaceuticals, wherein the measuring device (19, 20) is transported to the freely determinable location (10) by using a means of transportation (12) in the form of a suitcase or a transportation box and wherein the result of the skin examination is represented visually, wherein a computer apparatus (14) is integrated in the means of transportation (12) and the computer apparatus (14) is connected to the measuring device (19, 20), wherein a software is used to display the results of the skin examination on the screen (16) of a monitor (15) and multiple measurement parameters are used during the examination. In order to further develop the method in such a way that as a result of the comprehensive skin analysis, a differentiated product range that is matched to the needs of the consumer on account of the skin examination or skin analysis is also available to the consumer as quickly as possible, it is proposed that a communication takes place by way of a first interface (21) between the computer apparatus (14) and an app (24) which is installed and executed on a terminal (22) of the consumer (23), with the app (24) being programmed in such a way that a communication also takes place by way of a second interface (25) between the app (24) and a computer apparatus (26) exclusive to a commercial enterprise (28) for cosmetics and / or pharmaceuticals.

The invention discloses a plant-sourced composition, which comprises the following components: a eucalyptus globulus leaf extract, a pomelo peel extract and a glechoma longituba extract, and also provides application of the composition, and the composition provided by the invention has the characteristics of high safety, natural and mild properties, and small irritation to skin, and can be used for preparing the plant-sourced composition. Untoward effects such as allergy, redness and swelling, itching and the like are not easily caused, and the composition is suitable for various skin types, especially sensitive skin, and has a good application prospect.

The application discloses an anti-wrinkle and firming composition suitable for multiple skin types and a preparation method and application thereof, and belongs to the technical field of cosmetics. The composition contains, in mass parts, 2.5-9.5 parts of an active functional component, 5-10 parts of a targeted delivery carrier system and cosmetically acceptable adjuvants. The active functional component is composed of ginsenoside Rb1, green tea extract-white resveratrol compound and asiaticoside-dipotassium glycyrrhizinate compound, and the targeted delivery carrier system is a transdermal peptide modified liposome and a natural nano-structured lipid carrier. The application constructs a double-targeted delivery system according to different skin aging mechanisms and skin characteristics, realizes single formula adaptation to multiple skin types, improves the transdermal efficiency of active ingredients and the targeted enrichment effect on the dermis, has no carrier residue, and multiple components synergistically play the effects of anti-wrinkle and firming, soothing and protection, is safe, and can be widely applied to the preparation of anti-aging skin care products.

The application discloses a kind of herbal compound whitening soothing skin moisturizing bath cleansing composition, belong to daily chemical technical field.The product is 20 kg product feed quantity, medicinal materials are dry medicinal material feed quantity, including medicinal material component and auxiliary material component, medicinal material component is divided into first decoction group and after group according to weight;Auxiliary material component includes optimized surfactant, thickening system, preservative system, moisturizing repair component and optional additive component.Preparation first decoction group is soaked, then boil with high heat and then micro-boil with small heat, after group is washed after short time decoction before entering pot, sealed stewing, hot classification filtration, mixed auxiliary material is made, whole process follows 5 mandatory red lines.The application follows the concept of "lord, minister, assistant and messenger" prescription of traditional Chinese medicine, realizes five effects of cleaning, whitening, soothing, skin moisturizing and moisturizing, pH value 4.5-6.5, mild and non-irritating, suitable for all skin types, can be used as shower gel and cleansing milk at the same time, solve the problem of single effect, irritation and high cost of existing products, have broad market application prospect.

The invention provides a skin care composition with multiple effects as well as a preparation method and application thereof, and the skin care composition comprises the following raw materials in percentage by weight: 0.001-10% of a polygonum cuspidatum extract, 0.001-10% of a trillium tschonoskii extract and 80-99.998% of a carrier matrix, the weight ratio of the polygonum cuspidatum extract to the trillium tschonoskii extract is (1: 5)-(5: 1). Through the synergistic anti-oxidation effect of the polygonum cuspidatum extract and the trillium tschonoskii extract, the scavenging rate of DPPH free radicals can reach 85% or above; the multiple skin care effects of resisting aging, whitening and removing freckles, relieving and repairing and the like are achieved; the raw materials adopt natural plant sources, are low in irritation and are suitable for various skin types including sensitive skin; by optimizing the extraction process and the formula combination, the problem that the plant extract is easy to discolor and degrade in cosmetics is solved, and the shelf life of the product is prolonged. The product can be widely applied to various cosmetic formulations such as skin cream, emulsion, essence, facial mask, facial cleanser and the like.

The present invention relates to personal care compositions disclosed herein, for example, personal care compositions that achieve enhanced whitening values for Fitzpatrick 4, 5, or 6 skin types. According to one aspect, there is provided a personal care composition comprising an inorganic UV filter component comprising: zinc oxide; and an iron oxide system comprising: Fe3C>4, FeH3C>3, and Fe2C>3, wherein the personal care composition has a weight ratio of FeH3C>3 to Fe3C>4 of from about 3.1 to about 6.2, and a weight ratio of FeH3C>3 to Fe2C>3 of from about 2.4 to about 5.1.

The invention belongs to the technical field of ultraviolet phototherapy, and discloses an ultraviolet treatment parameter generation system based on skin type automatic identification. Comprising a skin state sensing module used for generating a skin static holographic snapshot and triggering a micro-energy pre-irradiation action on a target skin area through the skin static holographic snapshot so as to obtain a photosensitive response dynamic set; the intelligent feature analysis module is used for obtaining a photosensitive skin feature-phenotype joint vector, performing multi-target deduction on the photosensitive skin feature-phenotype joint vector through a pre-constructed comprehensive evaluation criterion, and generating optimal spectral power distribution and an optimal dose matrix; the self-adaptive optical control module is used for driving the adjustable double-band light source to work and inverting effective ultraviolet energy actually reaching the corium layer to form steady-state treatment driving current; and the thermal safety monitoring and defending module is used for controlling the operation state of the adjustable double-band light source through the epidermal temperature field to realize individual differentiation treatment.

The invention provides a skin type detection method, a skin type detection device and a computer readable storage medium. The skin detection method comprises the following steps: acquiring spectral image data of a skin sample and standard instrument detection data; preprocessing the spectral image data of the skin sample; constructing a skin detection model according to the standard instrument detection data and the preprocessed skin sample spectral image data; acquiring spectral image data of the skin to be detected; and inputting the spectral image data of the skin to be detected into the skin detection model, and outputting a multi-dimensional skin detection result. According to the skin type detection method, deep and multi-dimensional detection can be accurately, efficiently and reliably carried out on the real skin type, non-contact detection and overall or local detection are supported, and the user experience can be improved.

The invention relates to the technical field of culture medium preparation, in particular to a caviar-containing natural essence capsule and a preparation method thereof.The capsule is composed of a capsule shell and a core material, and the core material is prepared from, by weight, 10-20% of caviar extract, 5-12% of cod skin collagen peptide, 3-8% of sodium hyaluronate and other natural active ingredients and further contains fullerene and phytosphingosine; and the balance of deionized water. The caviar extract is subjected to enzymolysis, ceramide NP and sodium hyaluronate are combined through hydrogen bonds, a capsule shell is composed of gelatin, glycerin and the like, the particle size is 0.5-2 mm, the loading rate of a core material is larger than or equal to 90%, and the pH value is 5.5-7.0. According to the invention, the enzymolysis caviar extract is taken as a core, multiple components have synergistic interaction, multiple effects of resisting aging, moisturizing and repairing are achieved, and the capsule type can isolate oxygen and light, protect stable active components, is free of extra preservatives, mild and non-irritant, convenient and sanitary to use, accurate in dosage and suitable for various skin types.

The application discloses a kind of beauty and body slimming sculpture and preparation method thereof, belong to the technical field of beauty and body.The product is composed of active ingredient composition, matrix carrier and auxiliary functional components, wherein the active ingredient composition includes fat decomposition active factor, skin tightening factor, antioxidant repair factor, targeted penetration factor and traditional Chinese medicine active extract.The preparation method includes raw material pretreatment, matrix emulsification, active ingredient complex, auxiliary component addition, homogenization sterilization and cooling packaging steps.The application realizes the integration of local fat reduction, skin tightening and repair through the synergistic effect of each active component and targeted penetration.The product is safe and mild, suitable for various skin types, and the preparation process is stable, easy to use in home and professional settings.

The application discloses a whitening, moisturizing and anti-aging mask based on a polygonatum extract and a preparation method thereof, and belongs to the technical field of cosmetics. The polygonatum concentrated extract is prepared by adopting a wine pretreatment, a composite enzymolysis and an ultrasonic coupling extraction process, a layered compound mask essence liquid containing a whitening synergistic component, a deep moisturizing component, an anti-aging protection component and a moisturizing penetration aid is matched, and a finished product mask is prepared by selecting a plasma modified Tencel-chitosan composite film material as a mask substrate. The application effectively improves the extraction rate of active ingredients such as polygonatum polysaccharide, steroidal saponin, flavonoid compound and polyphenol compound, realizes the synergistic effect of the triple functions of whitening, moisturizing and anti-aging, the mask substrate has high liquid loading capacity, the active ingredients are well absorbed, the product does not contain irritating additives, is mild and suitable for multiple skin types, the preparation process is controllable and can be industrialized and mass-produced, and the product has excellent efficacy and stability.

The invention discloses a beauty device control method and module based on VCSEL (Vertical Cavity Surface Emitting Laser) wavelength dynamic adjustment. The beauty device comprises a control module, a VCSEL drive circuit and a photosensitive sensor, the method comprises the steps that skin information and beauty demand information are received, and the beauty demand information comprises anti-aging or acne removal; the skin type information comprises dryness, oiliness and miscibility; according to the received skin information and beauty demand information, a corresponding exclusive wavelength combination is generated, and the exclusive wavelength combination comprises alternate output of 630 nm red light and 850 nm near-infrared light; adjusting a VCSEL driving circuit according to the received exclusive wavelength combination; in the working process of the beauty device, skin reflected light data are collected in real time through a photosensitive sensor; according to the collected skin reflected light data, the light emitting power and the wavelength are dynamically adjusted, closed-loop control is formed, and the dynamic adjustment comprises the step that the penetration depth of the 800 nm wavelength is increased when the cuticle is detected to be too thick.