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Mice can correct hair follicle orientation without certain genes, but proper overall alignment needs those genes.

Fractional resurfacing is safe and effective for certain skin conditions in Asian patients, but care must be taken to avoid skin pigmentation issues.

ROOT HAIR SPECIFIC 10 (RHS10) reduces the length of root hairs in Arabidopsis plants.

The conclusion is that measuring how drugs partition into artificial sebum is important for predicting their delivery into hair and sebaceous follicles, and it provides better information than traditional methods.

Anthralin is effective for psoriasis and alopecia with minimal systemic side effects but can irritate the skin.

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

Hair follicles are valuable for regenerative medicine and wound healing.

Scalp dermatoscopy helps diagnose and monitor hair loss severity.

The gene p53 is crucial for removing damaged cells to allow for healthy tissue renewal.

Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.

Acne is significantly influenced by genetics, and understanding its genetic basis could lead to better, targeted treatments.

Sarcoptic mange nearly wiped out vicuñas and guanacos in an Argentine park.

Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.

Body and beard hair can be used for hair restoration in severely bald patients, but the technique is complex and costly.

Ancient Chinese goats evolved cashmere-producing traits due to selective breeding, particularly in genes affecting hair growth.

Immune cells affect hair growth and could lead to new hair loss treatments.

Different lasers and radiofrequency affect skin differently, important for dermatologists to choose the right treatment.

South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.

Topical vitamin D is useful for some skin conditions but not effective for others, and more research is needed.

Castor oil-based polyurethanes are promising for making safe, strong-performing, eco-friendly hair-styling products.

Mutations in the androgen receptor gene cause Androgen Insensitivity Syndrome, affecting sexual development.

NF-κB is crucial for different stages and types of hair growth in mice.

Laser treatments are the most effective for porokeratotic adnexal ostial nevus.

Men with baldness have higher levels of specific proteins, suggesting local hormone production may play a role in hair loss.

The review concludes that accurate diagnosis of different types of hair loss requires proper biopsy techniques and understanding the hair growth cycle and underlying causes.

Bimatoprost can cause longer, thicker, darker eyelashes and eyebrows.

Testosterone may have a dual role in COVID-19, potentially worsening outcomes in men, and testosterone therapy could help some patients, but more research is needed.

Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.

Mice with the naked gene have missing or abnormal hair cells.

Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.