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Onion and Aloe vera can help protect hair from damage caused by hair dyes.

Hair dyes vary in how long they last and how deeply they penetrate hair.

Hair splitting and nail detachment are linked conditions.

Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.

Proper haircare and communication with doctors are key to managing hair loss and avoiding damage.

Permanent hair dye mixtures can irritate and damage the skin.

Chemical exposure may contribute to the rise in atopic diseases and needs more research.

Chemical analysis of hair products on human hair can help identify specific brands and link suspects to victims.

Hair dyes can change hair color temporarily or permanently but may cause side effects like skin reactions and hair damage.

Researchers developed a less damaging way to extract red dyes from wool using EDTA and DMF, preserving the fiber's strength for further analysis.

Natural plant-based substances can be used as effective hair dyes.

Chemical treatments severely damage hair cuticles, especially in previously treated hair.

Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.

A new method extracts red dyes from wool without damaging it, although it slightly weakens the wool.

Avoiding dyed wigs and clothing improved severe allergic reactions in a woman treated with diphencyprone.

Ayurvedic methods can help reduce the harmful effects of chemicals in cosmetics.

Black henna tattoos can cause severe allergies to hair and textile dyes, and there's a need for greater public awareness and regulation.

Essential oils from Curcuma species, like turmeric, have compounds that can fight inflammation, cancer, and bacteria, and can also stimulate hair regrowth in bald males.

Hair dye colors mainly target melanin granules in black hair.

Frequent use of chemical hair relaxants is linked to increased scarring hair loss in Nigerian women.

Chemical treatments can change the scale heights of wool and cashmere fibers, affecting their identification.

Skin surgery has significantly advanced since 1950, with improvements in chemical peels, hair restoration, lasers, and Mohs surgery, and the development of less invasive techniques and specialized training.

Hair product allergies are common, especially to hair dyes, and hairdressers are at higher risk.

Certain hair straighteners and dyes may increase ovarian cancer risk, especially in African American/Black women.

Avoid chemical and physical damage to protect hair.

Protein hair straighteners damage the hair more than hair dyes.

PXX is an effective and affordable photocatalyst for creating new chemical bonds in organic synthesis.

Graphene-based hair dye is a safe, durable, and effective alternative to traditional black hair dyes.

Various skin conditions like cutaneous lupus erythematosus, psoriasis, and basal cell carcinoma can be effectively treated with antihypertensive agents, NB-UVB phototherapy, and imiquimod cream respectively. Vaccines are effective against genital herpes and HPV-16 infection. Early intervention is crucial for conditions like diabetic foot ulcers and neonatal herpes. Certain dyes can cause hand dermatitis, and there's a link between smoking/drinking and psoriasis in men. No direct link was found between low iron levels and chronic hair loss in women.

The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.