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Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.

A small molecule can strengthen fine hair, making it more resistant and natural-feeling.

Applying conditioner in the middle of a perm process reduces hair damage the most.

A new hair dye method uses polyphenols and oxidation to create a long-lasting brown color on gray hair.

Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.

Healthy hair is crucial to avoid dryness, weakness, and breakage.

Certain compounds can protect hair cells from aging and promote growth.

Using supercritical carbon dioxide can change the size of Hinokitiol particles.

Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.

Twisting hair weakens it, but strength can be recovered at low twist levels.

The treatment showed promising results in improving advanced-stage hair loss.

Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.

Scientists created a non-toxic, sugar-based hair product that can style hair without damage.

UV radiation damages hair by creating holes and peeling cuticle layers.

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

Keratin-based particles safely improve hair strength, smoothness, and heat protection.

The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.

Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.

Hair care products are regulated, with shampoos, conditioners, dyes, and styling products designed for cleaning, enhancing, and maintaining hair.

Conditioners in hair dye reduce damage and improve combability.

High-intensity phototechnology, especially with other treatments, effectively improves quality of life for diffuse alopecia patients.

Chemical hair removal can cause skin irritation and other issues, but natural alternatives are being explored.

Disulfide bonds are crucial for hair's strength, especially when wet.

Ozonated water damages hair structure and proteins.

A new method helps understand hair shine and various products improve hair care.

Straight permed hair loses weight faster than virgin hair when heated, but ends up heavier after burning.