Peptide Hair Treatment for Melanin Production and Repigmentation
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Solution Overview
Problem
There is a need for a biologically active compound that can delay hair depigmentation and promote repigmentation to address greying, without the use of artificial colorings, which are often chemical and unsuitable for men.
Innovation Solution
The use of peptides with specific formulations, such as Palmitoyl-PP-OH, to stimulate melanin production, enhance antioxidant defenses, and improve melanosome transfer in hair follicles, thereby preventing depigmentation and promoting repigmentation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If artificial hair dyes are used to address greying, then hair pigmentation is restored, but chemical sensitization and unsuitability for men occur
Solution Approach 1:
The patent converts the natural biological process of melanin production into a therapeutic approach by using peptides that stimulate melanocyte activity. Instead of imposing external chemical dyes that cause sensitization, the invention activates the hair follicle's own pigment production mechanisms, transforming a potentially harmful external intervention into a beneficial internal biological process.
Solution Approach 2:
The peptide treatment enables the hair follicle to restore its own pigmentation capacity by stimulating endogenous melanocyte function. The peptides act as signaling molecules that re激活 the hair follicle's intrinsic ability to produce melanin, eliminating the need for external chemical dyes and their associated harmful effects.
2Reliability
If peptides are used to stimulate melanin production, then hair repigmentation is promoted, but the complexity of peptide formulation increases
Solution Approach 1:
The patent employs peptide sequences with specific amino acid compositions and structures that have been optimized to achieve effective melanin stimulation. By carefully selecting and arranging amino acids (such as incorporating proline-rich sequences), the formulation achieves biological activity while maintaining manageable compositional complexity.
Solution Approach 2:
The peptide formulation is designed to perform multiple functions simultaneously: stimulating melanin production, enhancing antioxidant defenses, and improving melanosome transfer. This multi-functionality is achieved through a unified peptide-based approach rather than requiring multiple separate agents, thereby managing overall formulation complexity.
3Object-affected harmful factors
If antioxidant defenses are enhanced to reduce oxidative stress, then melanocyte protection is improved, but the duration of action must be maintained
Solution Approach 1:
The peptide treatment provides continuous stimulation of melanocyte function and antioxidant defense mechanisms. By maintaining persistent peptide activity in the hair follicle environment, the treatment ensures ongoing protection against oxidative stress and continuous support for melanin production, rather than providing transient or intermittent effects.
Solution Approach 2:
The peptides prepare and protect melanocytes in advance by enhancing their antioxidant defenses and stimulating their proliferative capacity before oxidative damage occurs. This preliminary protective action builds resilience within the melanocyte population, enabling long-term survival and function against future oxidative challenges.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The peptides exhibit a long-term anti-aging effect, enhancing hair follicle function, reducing oxidative stress, and increasing melanin production, leading to significant and durable improvements in hair pigmentation.
Implementation Method 1
The starting point for melanin synthesis is L-Tyrosine, which is the initial substrate of tyrosinase (TYR) whose activity produces dopaquinone, a molecule that is the source of both types of melanin.
Implementation Method 2
Melanin production in the hair follicle is cyclical and occurs only in the anagen phase. This production takes place in the melanocytes. The melanin is stored in melanosomes and these melanosomes are then distributed to surrounding keratinocytes thanks to dendrites (kinds of tentacles, extensions of melanocytes).
Implementation Method 3
The melanin is stored in melanosomes and these melanosomes are then distributed to surrounding keratinocytes thanks to dendrites (kinds of tentacles, extensions of melanocytes). Thereafter, the keratinocytes phagocyte the melanosomes.
Implementation Method 4
The hair thus grows about one cm per month. It is a highly proliferative phase which results from the proximity between the dermal papilla, in contact with the blood vessels, and the swollen part of the sheathn, called the hair bulge, where the hair stem cells (of melanocyte and keratinocyte types) are found.
Data Source
AI summary
The treatment is cosmetic non-therapeutic, adapted to prevent hair depigmentation and implementing a peptide X-(Xaa)n-P*P*-(Xaa)m-Z, wherein P* corresponds to a Proline, analog or derivative thereof, Xaa is an amino-acid selected from P*, Glycine, Alanine, Valine, Leucine, Isoleucine, Arginine and Phenylalanine, n and m are equal to 0, 1, 2, 3 or 4, with n+m≤8; and at the N-terminal end, X is selected from H, —CO—R1, —SO2—R1 or a biotinoyle group; at the C-terminal end, Z is selected from OH, OR1, NH2, NHR1 or NR1R2; R1 and R2 being selected from an alkyl, aryl, aralkyl, alkylaryl, alkoxy, saccharide and aryloxy groups having 1 to 24 carbon atoms. The preferred peptide is the Pal-PP used in an anti-greying treatment.