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Hair microscopy is a useful and affordable way to diagnose hair disorders.

Smaller curcumin nanocrystals penetrate skin better, but additives and particle size affect absorption and accumulation.

The document concludes that modern ocular cosmetics enhance beauty and eyelash health, with safe practices and regulations being important.

Skin stem cells can help improve skin repair and regeneration.

Genetic defects and UV radiation cause skin damage and aging.

The document concludes that understanding how the skin's immune system and inflammation work is complex and requires more research to improve treatments for skin diseases.

The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.

The document recommends using both clinical evaluation and various measurement methods to assess skin greasiness, considering factors like temperature and hormones.

Advanced nanocarrier and microneedle drug delivery methods are more effective, safer, and less invasive for treating skin diseases.

Hair follicle regeneration in skin grafts may be possible using stem cells and tissue engineering.

Knowing how skin works and its diseases helps doctors diagnose and treat skin conditions better.

Current therapies cannot fully regenerate adult skin without scars; more research is needed for scar-free healing.

Targeting drugs to hair follicles can treat skin conditions, but reaching deep follicle areas is hard and needs more research.

Skin stem cells are crucial for maintaining and repairing the skin and hair, using a complex mix of signals to do so.

Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.

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

Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.

Male and female skin differ due to hormones, affecting conditions like hair loss, acne, and skin cancer, and suggesting a need for gender-specific treatments.

Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.

The document concludes that while significant progress has been made in understanding skin biology and stem cells, more research is needed to fully understand their interactions with their environment.

The hydrogel with a 1:3 ratio of hydroxyethyl cellulose to hyaluronic acid is effective for delivering drugs through the skin to treat acne.

Skin can be cooled quickly and safely during laser treatments to protect it without affecting deeper layers.

Different types of skin pores should be identified correctly and evaluated with suitable methods for reliable results.

EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.

The document concludes that various clinical methods are used to assess ageing skin and the effectiveness of anti-ageing products.

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

Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.

The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.

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

Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.