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Women with PCOS have thicker parafoveal areas in their retinas, but their macular blood vessel density is normal.

The paper suggests that hair loss might be caused by skull growth, not just DHT's effect on hair follicles, and calls for more research.

The Multi-Organ-Chip improves the growth and quality of skin and hair in the lab, potentially replacing animal testing.

Minoxidil boosts growth factor in hair cells, potentially promoting hair growth.

The document concludes that early diagnosis is key for treating common baldness in women, but reassurance is often the best approach as hair thinning can be a normal part of aging.

A lotion with Centella asiatica extract reduced hair loss by 41% and increased hair strength without side effects.

Menopause significantly reduces skin collagen, leading to thinner, less elastic skin, and hormone replacement may help but requires careful consideration.

Genetically-altered adult stem cells can help in wound healing and are becoming crucial in regenerative medicine and drug design.

Skin stem cells can help improve skin repair and regeneration.

Minoxidil boosts hair growth by opening potassium channels and increasing cell activity.

Medium-sized particles penetrate hair follicles better than smaller or larger ones, which could improve delivery of skin treatments.

The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.

Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.

Too much androgen can cause hair loss; finasteride may help.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.

Activating the Wnt/β-catenin pathway could lead to new hair loss treatments.

Caffeine penetrates human skin in lab tests similarly to real-life conditions, but actual skin use is still essential for accurate results.

The document concludes that minoxidil and finasteride are proven for hair growth, herbal remedies show promise, but more research is needed to confirm their effectiveness.

Menopause reduces skin collagen and elasticity, and while estrogen therapy can help, its risks require careful consideration.

After menopause, women lose a lot of skin collagen, but estrogen replacement might improve skin health.

The document concludes that understanding hair and feather regeneration can help develop new regenerative medicine strategies.

Essential oils from Chamaecyparis obtusa may help hair grow by increasing a growth-related gene.

Hair follicles offer promising targets for delivering drugs to treat hair and skin conditions.

Some herbs and their components might help treat hair loss by affecting various biological pathways, but more research and regulation are needed.

Dermatoscopy and videodermatoscopy are useful and reliable for tracking treatment progress in various skin conditions.

Massage increases how deep both rigid and flexible liposomes can go into skin, with flexible ones going deeper, and covering the skin (occlusion) helps rigid ones more.

Safflower (Carthamus tinctorius) extract helps hair grow and could be used in hair products.

The document suggests that the traditional understanding of hair growth cycles and alopecia may be inaccurate and that blood supply plays a significant role in hair growth and loss.

Nanotechnology improves cosmetics' effectiveness and safety.