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Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.

Hair can be straightened using different chemicals, not just strong alkali.

The more lipophilic the progesterone derivative, the better it binds to androgen receptors and has antiandrogenic effects.

Hair keratin proteins can be reliably identified in hair as short as 0.12 cm, with 0.5 to 2 cm being the best length for analysis.

A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.

A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.

Nanostructured lipid carriers can effectively repair hair split-ends for over 3 days.

Amino acids in conditioners improve hair strength, hydration, and color retention.

Silicones in shampoos make hair smoother, easier to manage, and reduce friction.

Hair fibers may have a unique, non-protein sheath not previously identified.

Lower acetylation makes chitin nanofibers thinner and more suitable for various uses.

Conditioners improve hair manageability but don't repair damage.

Chemical treatments like dyeing, perming, and bleaching damage hair by altering amino acids and lipids.

Different conditions affect how hair proteins assemble, and certain mutations can change their structure.

These polymers can improve hair texture and reduce water loss in hair cosmetics.

Inhibiting ALOX12 can help hair cuticle maturation by increasing S100A3 citrullination.

Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.

The Glu413Lys mutation in keratin affects hair stability, while Glu413Asp does not.

Chondroitin sulphate is more abundant than hyaluronic acid in skin and hair samples, except in gamma-keratosis.

Thioglycolic acid mainly affects the unordered areas in hair structure.

The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.

Different halogens on progesterone derivatives can either block or mimic male hormone effects, depending on their type and amount.

The alpha-helix was confirmed as a key structure in proteins.

Certain small molecules and polymers can change hair's physical properties and how it feels by affecting the bonds within the hair.

Changing hair's surface and structure can help protect its natural oils from being washed away.

Chemical treatments weaken hair's thermal stability and structure.

The study developed a reliable method to measure active ingredients in hair nourisher products using HPLC.

Polyunsaturated fatty acids, like arachidonic acid and eicosapentaenoic acid, can promote hair growth and may help treat hair loss.

The study found ways to create important compounds for male health from olive waste.