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Some plant-based ingredients may help with hair growth and care, but more research is needed to confirm their effectiveness.

The Hairless gene is crucial for healthy skin and hair growth.

Botanical extracts are increasingly important in cosmetics and drugs for their effectiveness and safety, backed by traditional use and scientific evidence.

Melatonin is important for skin health and protection, and can be made by the skin or applied to it.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

The document concludes that understanding the sebaceous gland's development and function is key to addressing related skin diseases and aging effects.

Both genes and environmental factors like chemicals may contribute to the increase in hypospadias, but the exact causes are still unclear.

Natural 5α-reduced glucocorticoids might be anti-inflammatory with fewer side effects than current options.

Type 3 5α-reductase is more common and finasteride and dutasteride strongly inhibit it.

Pseudomonas sp. T5-6-I bacteria increase selenium uptake in Brassica oleracea plants by 130%.

Glycine slows main root growth but boosts root hair growth in habanero peppers.

The document concludes that treating female hair loss should target reducing excess androgen and blocking its effects on hair follicles, with the best treatments being hormonal therapy, adrenal suppression, and topical minoxidil.

Female mice with disrupted 5α-reductase 1 had significant metabolic issues, including stress response problems, insulin resistance, liver fat buildup, and obesity.

Choline and biotin are important for liver health and preventing certain deficiencies in animals, and more research is needed to understand their benefits in humans.

A new method was created to test the effectiveness of Dihydrotestosterone (DHT) inhibitors, like finasteride and dutasteride, in human and fish cells. The results showed fish cells are more sensitive to these treatments, and dutasteride works better than finasteride in all tested cells.

Low serum ferritin levels are not closely linked to telogen effluvium in women.

Cosmeceuticals may benefit skin health but need more research for efficacy and safety confirmation.

Wild African goats have genetic adaptations for surviving harsh desert conditions.

Stopping certain drugs can improve skin conditions, arsenicosis affects over half of a Bangladeshi village, males are more vulnerable, and certain treatments are effective for warts, acne, and psoriasis. Smoking and drinking are linked to psoriasis in men, a cream helps with a type of skin cancer, and low iron levels don't directly cause chronic hair loss in women.

Agouti protein affects melanocortin receptors through competitive antagonism and receptor down-regulation.

Taxol damages hair growth cells, causing hair loss.

Finasteride affects frog testes by increasing testosterone, decreasing 5α-DHT, and impacting genes related to reproduction and other functions.

Injecting CHIR-99021 into goose embryos improves feather growth by changing gene activity and energy processes.

Glucocorticoids are powerful anti-inflammatory drugs that must be used carefully to avoid serious side effects.

Hormones are crucial for regulating body functions and imbalances can lead to health issues.

European dermatologic treatments focus on lifestyle and psychosocial factors, use diverse methods like baths and climate therapy, and emphasize the importance of diet and supplements for skin health.

Some supplements and hormones can increase hair loss by raising DHT levels.

Finasteride may affect fetal brain development and increase arousal, but more research is needed for safety confirmation.

Wool follicles are complex, involving interactions between different cell types and structures.

Researchers created a mouse model of a type of rickets that does not cause hair loss.