135 results about "Curly hair" patented technology

An electrically powered slotted rotary shaver which provides the clean, close shave of a hand-held razor combined with the safety, comfort and convenience of an electric shaver. The slotted rotary shaver comprises a body portion and a shaving portion. The head portion is provided with one or more shaving head assemblies having fixed upper grids and lower rotary grids. The upper grids are positioned upon a shaft extending from motor positioned within the body portion of the shaver. The upper grids are advantageously separated into four pie-shaped quadrants held together at the center by a pivot point, and comprise a plurality of apertures disposed over the high surface active cutting area of the upper grid through which hair protrudes when the head portion of the shaver is placed against a user's skin. The edges of each quadrant of the upper rotary grid also include sharpened blades which are arranged diametrically opposite one another to define slots through which long and/or curly hair, as well as previously cut stubble protrudes when the head portion of the shaver is placed against the user's skin. The lower rotary grid which includes openings thereon, is disposed on motor shaft below the upper grid and is planerized through opposite magnetized polarity such that when the shaver is activated, the lower rotary grids spin at high speeds in a continually reversing clockwise and counterclockwise directions upon the motor shaft to create a scissoring action which cuts the hair which has protruded through the apertures and slot of the upper rotary grid and the openings of the lower rotary grid when the shaving portion of the shaver is placed against a user's face.

A method of relaxing naturally curly hair that comprises: A) carrying out a hair treatment session that comprises the steps of: i) applying to the hair, an alkaline hair relaxer comprising an active hydroxide, ii) allowing the relaxer to remain on the hair for a total period of less than about 10 minutes; iii) removing the relaxer from the hair; and B) repeating the treatment session described in part (A) to attain a desired degree of hair relaxation, with the interval between individual treatment sessions ranging from about 3 to about 20 days.

A hair curling system includes a base heating unit, a hair roller, and a hair cover. The base heating unit generates and transports steam (or another medium) to the hair roller for heating and moisturizing the roller. The steam medium carries a separate hair treatment composition for treating the hair. The steam medium and the hair treatment composition are transferred to hair wound on the hair roller and covered by the hair cover. The transfer takes place within a thermally quarantined zone between the hair roller and the hair cover. An optional temperature control system may be provided for independently heating or cooling the hair cover to a temperature that provides a desired temperature gradient between the hair roller and the hair cover. One or more of an optional ionizer, crystal or mineral unit or material may also be provided to further influence the hair treatment.

A thermal hair straightening and conditioning composition and method for rendering hair more manageable, minimizing static charge, tangling, and scattering of the hair is disclosed. A gelatinous aqueous thermal hair straightening and conditioning composition is provided that imparts a firm and silky look and feel to hair and inhibits wind and motion induced hair scattering during use. The composition comprises amino acids of human hair keratin, bio-extenders, oligo elements of marine algae, vitamin-E, silicones with orange extract placenta, formaldehyde, water, formic acid, isotiazolomas, citric acid, and fragrance. The hair straightener and conditioner composition of the invention preferably is used during hot iron and after hot iron straightening of curly hair, to impart a smooth and silky feel to the hair.

The present invention relates to an electric hair clipper blade assembly having a guide plate connected with a fixed blade and a movable blade that moves in a left and right direction or horizontal direction and a connection/fixed member. In particular, the present invention relates to an electric hair clipper blade assembly having fixed and movable blades with depths deeper than those of conventional fixed and movable blades and a blade body DLC-coated, on which a portion of the guide plate, the fixed blade, and the movable blade are formed, to maintain fairly good cutting power in cutting short hair or curly hair.

The present invention teaches a hair straightening system including formulations that will safely and effectively straighten curly hair for at least 2-3 months after a single application, despite frequent washings of the hair. Methods for obtaining said formulations are disclosed. Hair straightening systems including shampoo and one or more conditioners are also provided.

The invention discloses a curly hair styling device. The curly hair styling device comprises a shell with a handle part at one end, a heating piece which is arranged in the shell, and a rotating component arranged in the shell. The curly hair styling device is characterized by further comprising a lower protecting shell which is connected to the shell, an upper protecting shell which is detachably connected to the lower protecting shell so as to surround the heating piece together with the lower protecting shell, and a hair inlet which is formed in the lower protecting shell and the upper protecting shell so that hair is curled on the heating piece from the hair inlet, and driven by the rotating component to be curled on the heating piece so as to style curly hair. The curly hair styling device disclosed by the invention is novel in integral design, convenient in using and capable of rapidly curling the hair inside so as to effectively style the curly hair. Meanwhile, due to the existence of the protecting shells, the device can be used for effectively protecting a user from being scalded by the electric heating piece.

A hair brushing device in the form of a brush worn on a hand along with accompanying styling methods to use with the device. A plurality of bristles extends perpendicularly from at least the palmer surface of the device. In addition, a plurality of bristles extends from the outer surface and partially from the dorsal side of the thumb. A securing device is located at the wrist of the device to ensure a comfortable and secure fit. The device may be used to cultivate and maintain concentric hair waves in very short curly hair by brushing from the crown of the head outward. The device may also be used as a means to style longer, straighter hair.

A cone hair care brush is provided which enables multiple curls of varying diameters within each lock of hair. Also, the cone hairbrush allows for a root lifter to achieve more body to the overall look of the hair by applying the smallest end of the cone brushhead invention to the scalp while lifting and blow drying the hair simultaneously. The cone brushhead may include ventilation holes that would allow the hair to blow dry much faster.

Techniques are disclosed for stably simulating stylized curly hair that address artistic needs and performance demands, both found in the production of feature films. To satisfy the artistic requirement of maintaining a curl's helical shape during motion, a hair model is developed based upon an extensible elastic rod. A method is provided for stably computing a frame along a hair curve for stable simulation of curly hair. The hair model introduces a new type of spring for controlling the bending and twisting of a curl and another for maintaining the helical shape during extension. The disclosed techniques address performance concerns often associated with handling hair-hair contact interactions by efficiently parallelizing the simulation. A novel algorithm is presented for pruning both hair-hair contact pairs and hair particles. The method can be used on a full length feature film and has proven to be robust and stable over a wide range of animated motion and on a variety of hair styles, from straight to wavy to curly.

A method of treating the hair which comprises the following step (A) or (B) and shaping the hair at least once during the step. Step (A): A first agent containing a reducing agent and a second agent containing an oxidizing agent and having a buffering ability and a pH of 1 to 5 are successively applied to the hair, and the hair is then washed with water and dried (the first or second agent contains an organic acid (A) or a salt thereof). Step (B): A first agent containing a reducing agent, an intermediate treating agent having a buffering ability and a pH of 1 to 5, and a second agent containing an oxidizing agent are successively applied to the hair, and the hair is then washed with water and dried (the first agent or intermediate treating agent contains an organic acid (A) or a salt thereof). Organic acid (A): A compound comprising either a nonaromatic hydrophobic group having a total carbon number of 3 to 11 or an aromatic hydrophobic group having a total carbon number of 4 to 18 and an acid group such as a sulfo or sulfate group. The method is extremely highly effective in straightening the curly hair through a simple procedure comparable to that of an ordinary permanent straightening treatment. After the treatment, the straightened state can be restored or maintained by daily aftercare without damaging the hair.

A hair styling device features a headband worn along a hairline of a user's head and spanning around a crown thereof, an ornamental appearance displayed on a front portion of the headband across the forehead along a front hairline, and a flexible hair roller at a rear portion of the headband to create an updo hairstyle at a rear hairline across the back of the user's head. The ornamental appearance of the front portion and the updo hairstyle cooperatively impart a stylistic effect around the crown of the user's head when worn, while a wound state of the hair around the rear portion imparts a styling action that leaves behind a different hairstyle effect when the headband is removed. The styling action may impart a straightening effect on naturally curly hair, or a curling effect on naturally straight hair.

A method of manufacture of a water emulsion and a new use of applying the composition to hair that improves the condition of excessively curly hair that has been subjected to a straightening process, the composition including at least three emollients chosen from the group consisting of mineral oil, isopropyl myristate, propylene glycol, cetyl alcohol, and lanolin, stearic acid, and a nonionic surfactant.

The invention discloses a preparation method and application of an afterfinishing auxiliary agent to in vitro curly hair. The auxiliary agent consists of alkyl quaternary ammonium salt or fatty amine or an amine salt type cationic surfactant, an emulsifying agent, a silicone elastomer, amino silicone oil, modified silicone, an adhesive moisture-preserving shaping agent, and deionized water. The preparation method comprises the following steps: the cationic surfactant, an emulsifying component and water are stirred and mixed evenly in an emulsifying machine at a temperature of between 70 and 90 DEG C to obtain a transparent and uniform liquid, and the temperature is reduced to 60 DEG C, the pH value is adjusted to be weakly acidic; and then other compositions are added into the liquid, and the mixture is stirred at constant temperature for 0.5 to 1.5 hours until the mixture is mixed evenly and then is cooled and neutralized. When the auxiliary agent is used, the auxiliary agent and softened water are fully dissolved, and fiber to be treated is soaked and then is fished out to be dehydrated and dried by a centrifugal machine. The auxiliary agent has good functions of absorption film-forming and moisture preservation, and can endow curly hair fiber with good sensory characteristics such as softness, smoothness, brightness, high elasticity, fouling prevention, antistatic electricity and so on.

The invention relates to a process for preparing an easy-finishing curly hair four-piece wig product. The product is prepared by processes of material selection, tidying, hair arrangement with a triple machine, tube winding, styling, cleaning, lotion soaking treatment, drying and packing. The product has the advantages of novel pattern, attractive appearance, durable hair style, wearing convenience, simple process and low late maintenance cost for a customer, and is easy to finish and make multiple hair styles with one pattern.

A genetic polymorphism and a hair shape susceptibility gene that are related to hair shape, and a method for determining the genetic susceptibility to hair shape in individual test subjects are provided. Disclosed is a hair shape susceptibility gene, which overlaps with a haplotype block in the 1q32.1 to 1q32.2 region (D1S249 to D1S2891) of human chromosome 1 and comprises a portion or the entirety of the base sequence of the haplotype block, wherein the haplotype block is determined by a linkage disequilibrium analysis conducted on a single nucleotide polymorphism (SNP) marker whose allele frequency differs statistically significantly between a group having a curly hair trait and a group having a non-curly hair trait, and consists of a base sequence set forth in any one of SEQ ID NO:1 to NO:3.

The current invention comprises methods and compositions for straightening hair. Using embodiments of the current invention, curly hair can be effectively and safely straightened by a method that is milder and less damaging than the current art and does not employ ingredients such as formaldehyde and glutaraldehyde that are considered noxious and raise significant toxicological concerns. In one or more embodiments of the invention, a low concentration of sodium hydroxide (˜0.5-0.6%) is applied prior to the application of an oil (preferably a vegetable oil), followed by treatment with a flat iron, or similar, heated to ˜180-200° C. In one or more alternative embodiments of the invention, the sodium hydroxide and oil-containing compositions are combined and applied to the hair in a single step. The improvements extended by this invention beyond the current art include: reduced damage to hair; reduced potential for damage to the skin and eyes; elimination of noxious chemicals; avoidance of chemical systems that are banned in a number of countries; greater resistance to reversion; longer lasting results; and as a consequence of these considerations, potential for home (non-professional) usage.

A hair transformation agent, useful in transforming hair texture from kinky to curly, by application of this non permanent solution. The solution acts like the sebum of a human. Hair that is naturally rich in sebum is healthy, shiny, strong, nourished. Hair that is lacking is in typically in bad condition. Hair shaft can lack sebum because of chemical use, but seems to be a natural occurrence in kinky hair. Because of this people with kinky hair often seek extreme measures to restore their hair or make it more manageable. Most resort to chemical processing to change the texture look and feel of the hair only this just makes the hair worst. Our formula will give kinky hair the sebum it is lacking and in the process the hair will begin to act, look and feel like another hair texture that has abundant sebum naturally, curly hair, and textural change will occur.

The invention discloses a method for curling and dyeing hair, which comprises the following: a step of cleaning the hairs and drying; a step of applying a hair curling and dyeing agent A, which is to uniformly spread the hair curling and dyeing agent A on hair to be dyed and curled, twist the hair or comb the hair with a comb repeatedly for ensuring each hair is coated with the hair curling and dyeing agent A, and curl the hair; and a step of applying a hair curling and dyeing agent B, which is to fully and uniformly apply the hair curling and dyeing agent B on hair curls and keep for 15 to 25 minutes. The curling and dyeing method of the invention overcomes the drawback of asynchronous hair dyeing and curling, makes hair dyeing and curling synchronous, saves time and cost and reduces times and degree of damage to hair.