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The reconstructed skin model from hair follicles functions like human skin in processing chemicals and can be used to test ingredient safety.

MPZL3 is crucial for seborrheic dermatitis development.

Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

Isotretinoin's effects and side effects, like birth defects and depression, might be due to it causing cell death in various cells.

Women with PCOS have unhealthy changes in their cholesterol particles that are not related to their body weight.

Niosomes are a promising and effective way to deliver drugs through the skin.

Adding human hair fibers and glass micro-spheres to epoxy improves its wear resistance and strength.

Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.

Mink use L-methionine and L-cystine slightly better than natural amino acids for hair growth, but D-methionine is not effective.

KLF4 is important for maintaining stem cells and has potential in cancer treatment and wound healing.

No CD44 in alopecia areata, present in normal and androgenetic alopecia.

Pigs can make some essential fats and don't need them all in their diet to grow and stay healthy.

PCOS is a common hormonal disorder in women that can lead to various health issues and requires comprehensive management.

Melanocytes produce melanin; their defects cause vitiligo and hair graying, with treatments available for vitiligo.

The herbal hair cream helps protect and improve hair health.

The herbal hair dye with natural ingredients like henna was successfully made and tested, but more research is needed on its effectiveness on different hair colors and benefits.

Hormones, especially testosterone and DHT, are key for penis development and function, and testosterone therapy may help with erectile dysfunction in those with low levels.

Hair fibers degrade and change color in very basic water.

Scientists discovered a new way UVB light increases skin pigmentation through the ATP-P2X7 pathway.

Low iron and L-lysine levels can cause hair loss in women, and increasing these nutrients can reduce hair shedding.

Pectin biosynthesis is essential for the growth of cotton fibers and Arabidopsis root hairs.

Liposomes improve drug delivery and reduce skin irritation in dermatology.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

The document concludes that better biomarkers are needed to detect long-term oral testosterone use in athletes.

Layer-by-Layer self-assembly is promising for biomedical uses like tissue engineering and cell therapy, but challenges remain in material safety and process optimization.

Keratin proteins are crucial for healthy skin, but mutations can cause skin disorders with no effective treatments yet.

Lifestyle changes improve metabolism and fertility in overweight PCOS patients; anti-obesity drugs show potential but need more research.

Toxic Shock Syndrome cases increased due to new factors, but decreased with public health measures and changes in tampon use.

Lamins are vital for cell survival, organ development, and preventing premature aging.