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Bleaching damages hair the most, while dyes improve combability but still cause protein loss.

Camel hair from Afif can be improved for textiles by adding chemicals or blending with other fibers.

Coconut oil makes hair stronger and more flexible than mineral oil.

UV radiation damages hair similar to bleaching, but double bleaching causes more severe protein degradation.

Human hair varies widely and should be classified by curl type rather than race.

Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.

Lower pH straighteners change hair more but weaken it.

Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.

Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.

Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.

Drugs can be incorporated into hair based on their chemical properties and hair pigmentation.

Anatolian native goat down-hair is similar to cashmere and can be used for high-quality textiles.

Damaged hair allows water to penetrate more easily, and fatty acids from shampoos can deposit on hair surfaces.

Grey hair is wilder, drier, and less manageable than pigmented hair.

Modern hair styling products don't repair hair but improve its surface and stability.

Crossbreeding improves goat fiber quality, and specific genes affect hair traits and color.

Lustre mutant sheep have normal hair structure and proteins but differ in felting properties.

Older people's hair becomes less shiny because it gets more uneven and curved.

Tan sheep's unique fur traits are determined during the embryonic stage by specific genes.

Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.

Higher temperatures improve rabbit hair strength up to 50°C, but moisture weakens it.

Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.

Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.

Proper scalp care can improve hair health and delay ageing signs.

The torsional method effectively evaluates hair damage and the performance of hair care ingredients.

A new hair treatment with caffeine and other ingredients makes hair thicker and less likely to break.

The conditioner with Spirulina and Ascophyllum extracts made hair shinier and easier to comb.

Sappan wood hair tonic helps protect and repair damaged hair.

The new scalp treatment preserves hair color, reduces hair loss, and maintains hair strength.