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Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.

Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.

Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.

Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.

Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.

Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.

Hair grays due to oxidative stress and fewer functioning melanocytes.

Some medications might reverse gray hair, especially those that reduce inflammation or stimulate pigment production, and vitamin B might help.

Certain molecules in hair change with age and could be used for cosmetic treatments.

The patch assay can create mature hair follicles from human cells and may help in hair loss treatments.

More than half of patients who had acromegaly surgery experienced hair loss, with varying degrees of recovery.

Hair can darken after inflammation and then return to its original color.

Dermoscopy shows that diffuse alopecia areata progresses through specific hair growth stages.

Higher light doses cause more damage to hair follicles, predicting better hair removal results.

Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.

Minoxidil was more effective than laser therapy for hair loss, and the report also highlighted the need for more research on PRP for a different hair loss condition, the impact of social media on alopecia views, and a warning on turmeric causing nail discoloration.

The document concludes that accurate diagnosis and appropriate management are crucial for treating various hair disorders, which have significant psychological impacts.

A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.

New methods to classify curly hair types were developed based on shape and strength.

The document explains how shampoos clean, rinses condition, one-step shampoos offer convenience, and hair growth promoters aim to prevent hair loss, emphasizing the importance of scientific evidence for their effectiveness.

Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.

Two patients with porphyria cutanea tarda experienced their grey hair turning dark again.

Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.

Platelet-rich plasma can potentially improve hair regeneration by increasing follicular gene expression and hair growth activity.

A new model for hair regeneration in mice was created in 2015, which is faster and less invasive than the old method, producing normal hairs in about 21 days.

A hormone linked to collagen helps hair grow back in mice after chemotherapy, and may also prevent bone loss.

Certain treatments can speed up local hair growth in mice but don't change the overall hair growth pattern.

Sonic hedgehog proteins may help grow hair.

GPIGS peptide increases thick hair growth in balding Japanese men.

Using both follicular units and slit grafts for hair transplants may give better hair density and graft survival.