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Pig blood plasma can be used to promote human hair growth and is a good alternative to the commonly used serum additive.

Hair grays due to oxidative stress and fewer functioning melanocytes.

Black hairs have more pigment-related genes, while gray hairs have more keratin-related genes.

The document concludes that stopping shaving or removing affected hair can alleviate Pseudofolliculitis barbae (PFB).

Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.

PRP treatment improved skin pigmentation and appearance in facial lichen planus pigmentosus.

Consider TFI in facial hypopigmentation diagnoses and confirm with a biopsy.

Pluripotent stem cells show promise for treating skin color loss disorders like vitiligo.

Researchers developed a cost-effective, ethical skin model using hairless guinea pig cells for toxicology studies.

Vitamin B12 deficiency can cause facial dark spots that go away with treatment.

Stopping shaving or removing hair follicles usually resolves Pseudofolliculitis barbae.

Follicular unit transplant successfully repigmented vitiligo patch on upper lip.

Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.

PT-20 did not significantly improve gray hair repigmentation.

Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.

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

Keratins in Malayan pangolins vary by region, suggesting scales evolved from the tail towards the head.

Imiquimod improved skin pigmentation in most patients with xeroderma pigmentosum and may prevent further skin cancer, but some treatments can have side effects.

Exosomes and laser therapy can help regrow and repigment hair.

The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.

CEFFE injections effectively and safely improve postinflammatory hyperpigmentation.

Melatonin shortens the hair growth cycle by increasing PDGFA gene expression.

Unpigmented keratinocytes absorb substances faster, while melanocytes bind more strongly to melanin.

Hair stops producing melanin as it transitions from the growth phase to the resting phase.

Some human genetic markers work for genetic studies in pig-tailed and stump-tailed macaques, which can help in their conservation.

ATP increases melanin production in skin after UV exposure, with the P2X7 receptor being crucial for this process.

Gefitinib can cause hair and eyebrow darkening.

Guinea pig fat stem cells can become hair cell-like cells in a lab.

Several treatments are effective for pigmentary disorders like vitiligo and melasma.

Afoxolaner effectively treats mange in guinea pigs with one dose.