Hair Fiber Strengthening and Structural Protection

Cosmetic composition for repairing damaged hair that strengthens hair and restores damaged hair by using a combination of hydroxy ketone compounds, multifunctional carboxylic acid compounds, aliphatic monocarboxylic acid compounds, and amino group-containing biomolecules. The composition contains compounds like hydroxyacetophenone, itaconic acid, caprylic acid, and amino acids to form bonds similar to cystine bonds between hair strands. This restores lost cystine bonds in damaged hair and improves hair strength and texture.

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A hair care composition containing hydrolyzed collagen and hydrolyzed keratin with a specific molecular weight range to improve hair strength and repair damaged hair. The composition contains hydrolyzed collagen PG-propylmethylsilanediol and hydrolyzed keratin with an average molecular weight of 400. This composition repairs hair disulfide bonds damaged by heat or chemicals. It enhances internal penetration to repair bonds from within. The hydrolyzed collagen helps bind damaged hair and the hydrolyzed keratin with a low molecular weight of 400 provides effective disulfide bond repair.

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Hair composition that strengthens damaged hair, particularly after chemical treatments like bleaching and dyeing. The composition contains bifunctional α,β-unsaturated compounds like itaconic acid derivatives, along with crosslinking agents like saccharides and hydrolyzed proteins. This synergistic combination of compounds reacts with amino groups in keratin to form covalent bonds, increasing hair strength. It also interacts with amino acids and hydrolyzed proteins to form ionic crosslinks. The composition also promotes moisture retention, brightness, softness, thermal protection, and cuticle sealing.

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A hair care composition to strengthen hair by repairing disulfide bonds and moisturizing hair. The composition contains ingredients like acetylated hyaluronic acid, panthenol, Phaeodactylum tricornutum extract, disulfide-containing compounds, cocoyl dimethyl hydroxypropyl hydrolyzed keratin, and plant ferment. It penetrates hair fibers to exchange reactions with disulfide bonds, forming covalent bonds to repair damage. The composition also moisturizes, closes hair scales, and provides nutrients for microbial balance.

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Method for improving hair strength and reducing hair dye fading by treating hair with a combination of polyphenols and water-soluble polymers. The method involves applying a first composition containing polyphenols followed by applying a second composition containing water-soluble polymers to hair. The polyphenols can be tannic acids and the water-soluble polymers are polymers like PVP. This sequential treatment improves hair strength and reduces dye fading compared to using just polyphenols or just polymers alone.

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A method to improve hair strength and reduce fading of dyed hair using natural plant-derived ingredients. The method involves treating hair first with a composition containing polyphenols like tannic acid, followed by treating the hair again with a composition containing plant-derived proteins like pea protein. This two-step treatment sequence enhances hair strength and reduces dye fading compared to treating with just one composition.

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A method to strengthen hair fibers by applying an aqueous treatment composition containing at least 1% N-acetyl lysine. The composition is sequentially applied to hair fibers, followed by a rinse, and then dried. The N-acetyl lysine strengthens the hair fibers by penetrating inside the cuticle and cortex layers. The composition can be used on weakened hair that has been damaged from factors like UV exposure, bleaching, or mechanical stress.

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Strengthening oxidatively treated hair to reduce breakage and improve texture. The method involves using an aqueous treatment composition containing at least 1% N-acetyl glycine, applied after oxidative dyeing. The N-acetyl glycine treatment enhances fiber strength compared to untreated oxidized hair.

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A natural hair strengthening cosmetic composition using extract of baeja, a traditional Korean herbal remedy. The composition aims to thicken damaged or thinning hair without chemicals and provide an elasticity boost. The baeja extract restores hair thickness by binding to hair proteins. It can be used in cosmetic products like shampoo, conditioner, and treatments to strengthen hair and improve volume.

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A hair composition to strengthen hair, repair damaged hair and protect colored hair from washout. The composition contains alkyl ammonium amides and/or carboxylates, such as N,N'-ethylene-bis-D-gluconamide, N-(2-aminoethyl)-D-gluconamide, and D-gluconolactone. These compounds help strengthen hair by increasing crosslinking and reducing breakage. They also repair damaged hair by improving the hair matrix structure. The composition can further contain buffering agents to optimize hair strength.

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Cosmetic composition for strengthening hair using a rhododendron extract as an active ingredient. The rhododendron extract, obtained from the perennial herb Honggyeongcheon, has been found to increase hair thickness and strength. The extract binds to hair proteins, thickening damaged or thinning hair and improving elasticity. Using natural plant extracts for hair strengthening provides a safe alternative to chemical treatments.

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Cosmetic composition for strengthening hair by thickening damaged or thinning hair, using ursolic acid as the active ingredient. The composition also contains other hair care components like conditioning agents. Ursolic acid, found in plants like apple peel, rosemary, and sage, is applied to hair to physically/chemically increase thickness and elasticity, improving volume and preventing breakage.

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Strengthening hair fibers to prevent breakage and improve styling by using N-acetyl-lysine, an amino acid derivative, in a sequential treatment process. The method involves applying an aqueous treatment composition containing at least 1% N-acetyl-lysine to oxidatively treated hair, followed by washing and drying. The N-acetyl-lysine treatment strengthens hair fibers to reduce breakage and improve styling by penetrating the hair shaft and binding to the inner structure.

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Hair care compositions containing 3,3'-tiodipropionic acid (TDPA) or derivatives for strengthening and repairing damaged hair, especially artificially colored or lightened hair. The compositions can be shampoos, conditioners, or leave-in treatments. They contain effective amounts of TDPA to improve hair resistance, reduce breakage, and prevent split ends. The TDPA helps repair damaged hair fibers and prevents further damage.

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Hair care composition containing silk fibroin and a cationic compound to reduce hair breakage, repair damaged hair, lubricate and smooth hair. The composition uses silk fibroin derived from silkworms and a cationic compound like oligochitosan or amino acids. It can be an oil-in-water emulsion stabilized by the silk fibroin. The composition provides benefits like reduced hair breakage, improved repair of broken hair, smoother and softer hair feel. The silk fibroin and cationic compound combination enhances hair care efficacy compared to silk fibroin alone.

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Hair fiber strengthening composition that provides hair strengthening without the undesirable effect of darkening or spotting the hair, particularly light-colored or bleached hair. The composition contains metal compounds like iron lactobionate or iron gluconate at lower pH values around 4. This allows controlling the oxidation of the metal ions to prevent darkening. The composition also has metal compound:carbohydrate anion ratios from 1.0 to 3.0. It strengthens hair fibers by increasing wet elasticity and break strength without significant hair darkening compared to traditional metal-based hair treatments.

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Composition for strengthening hair that deeply penetrates hair to increase its tensile strength and prevent breakage. The composition contains a hair reinforcing component like hydrolyzed protein, Moringa extract, and amino acids, along with arginine. To deliver these components into the hair, the composition uses an ethosome carrier. The ethosome is a vesicle made of phospholipids and cholesterol that encapsulates the hair-strengthening ingredients. The ethosome size is optimized for hair absorption. The composition also includes stabilizers like surfactants, thickeners, and lower alcohols.

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A hair treatment composition for repairing damaged hair using cystamine derivatives. The composition contains cystamine dimaleate, cystamine dicarbocysteinate, or cystamine diglutamate to strengthen the internal fibrous tissue of damaged hair. These cystamine derivatives provide disulfide-binding materials to restore and supplement the damaged -SS- bonds in hair damaged by dyeing, bleaching, and perming. The composition also contains polyquaternium-10, water-soluble silicone, phenoxyethanol, fragrance, and purified water.

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Hair strengthening agent that improves hair strength by generating new bonds between keratin chains. The agent contains glyoxylic acid which forms carboxymethylene crosslinks between lysine, tyrosine, and arginine residues in keratin. This improves hair strength by crosslinking the keratin chains rather than just repairing surface damage. The glyoxylic acid treatment can be applied to hair and left to dry before washing to strengthen the hair. The treated hair can then be styled as normal.

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A method to strengthen oxidatively-treated hair fibers by using an aqueous treatment composition containing at least 0.5% N-formyl amino acid. The method involves washing hair, soaking the wet hair in the treatment composition, and drying. The N-formyl amino acid strengthens the hair fibers when applied after oxidative dyeing.

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