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Despite adverse effects, people continue using hair dyes for aesthetic reasons, highlighting the need for safer options.

Acne is a common skin condition linked to diet, hormones, and genetics, and early treatment can prevent scarring.

Hair care products reduced hair roughness, a combination of Stemoxydine and Resveratrol increased hair density, fermented mackerel oil promoted hair growth, and genes TERT and Bmi-1 helped create new hair follicles.

The hairpiece matted due to weathered hair after shampooing.

Both scalp cooling and chemical cooling caps effectively prevent hair loss in breast cancer patients undergoing chemotherapy.

Wearing masks has increased skin issues like acne and eczema, especially in women and young people.

Dermatologists should customize cosmetic treatments for dark-skinned patients to minimize risks and complications.

High doses of some selenium supplements caused liver and reproductive harm in rats.

The document concludes that proper diagnosis and treatment of hair shaft disorders require understanding their unique causes and avoiding hair-damaging practices.

Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.

Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.

Hyperpigmentation is common in pregnancy and may not fully fade after birth; melasma, also frequent, can persist but has limited treatment options during pregnancy.

A woman got severe scalp burns from a salon's improper hair bleaching treatment.

New techniques and findings in dermatologic surgery show improved pain management, safer liposuction, better hair transplantation, and effective treatments for skin conditions.

Vitamin D3 may prevent hair loss from chemotherapy, but side effects and cancer cell protection are concerns.

Matrix effects in LC-MS can be managed but not completely avoided.

Macroalgae compounds offer sustainable, effective benefits for cosmetics.

Hydrogels are crucial for 3D bioprinting in tissue engineering.

Natural products can help heal wounds by affecting key biological pathways.

Using food industry waste and fermentation can create sustainable cosmetics.

3D-printed hydrogels show promise in medicine but face challenges in resolution, cell viability, cost, and regulations.

PHAs are promising biodegradable materials for medical and dental uses.

Engineered skin tissue is a promising tool for safer cosmetic testing.

Plasma-activated liquid can kill harmful cells, speed up wound healing, and potentially treat cancer without damaging healthy cells.

Acyzol could help treat conditions caused by zinc deficiency.

3D printed microneedles are likely to become more common in cosmetics for better skin delivery.

Chitosan hydrogels are promising for repairing blood vessels but need improvements in strength and compatibility.

Egyptian researchers are advancing in pharmaceutical nanotechnology, potentially improving health outcomes and the economy.

Stem cell therapy improves healing and reduces pain in cutaneous radiation syndrome.

Selenium from plants is beneficial and safer for health.