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Marine macroalgae contain compounds that can improve skin health and have cosmetic benefits.

Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.

Melanocytes are crucial for skin pigmentation and can affect conditions like melanoma, vitiligo, and albinism, as well as hair color and hearing.

The gene Endothelin 3 makes mice's fur darker by increasing pigment cells and pigment levels.

Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.

Hair sunscreens were less effective than expected, especially for dark hair.

A natural, eco-friendly treatment using casein and tannic acid strengthens hair by 21% while keeping it elastic.

Colored hair-thickening fibers can help hide hair loss in some people with Epidermolysis Bullosa but may cause scalp irritation.

Copper levels in green hair decreased significantly after treatment.

Yorkshire Terriers with Colour Dilution Alopecia have reduced melanin and hair structure issues.

Hair with more melanin resists weather damage better.

Hair conditioners with argan oil or camellia oil improve the strength and color of bleached hair.

White hair has weaker tryptophan fluorescence than other unpigmented fibers, possibly due to UV exposure or unknown substances.

The modified osmium method improves hair cortex staining for better visualization.

Minoxidil detects nitrite in water, creating a simple, cheap test.

Delipidised wool is brighter, dyes better, and is more eco-friendly.

Basic drugs like amphetamine are absorbed more in darker hair than lighter hair.

CMC2.24 and CMC2.23 reduce melanin safely and effectively.

Micropigmentation is a cosmetic tattooing technique for hiding skin issues and creating permanent makeup, but it can have side effects.

Electrophoresis can effectively analyze hair proteins for forensic use, even after cosmetic treatments and up to 2 years of weathering.

Polymers help reduce damage and improve bleached hair when used during or after bleaching.

DNA phenotyping can predict physical traits like eye, hair, and skin color, improving forensic investigations.

The research showed how melanocytes develop, move, and respond to UV light, and their stem cells' role in hair color and skin cancer risk.

Ethyl glucuronide levels in hair can change when exposed to artificial sunlight, depending on hair color and thickness.

Darker hair may lead to higher cortisol readings, suggesting a need to adjust for hair color in studies.

Blond hair lightens more with visible light directly, while ultraviolet light lightens it after washing by damaging other hair parts.

Melanin is important for hair color, health, and UV protection.

Red tattoo ink may cause skin growths, needing careful monitoring.