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Melatonin treatment helps improve skin health in postmenopausal rats.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Melatonin protects skin against UV damage by regulating various cellular processes.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.

Androgens, male hormones, affect physical and mental functions, with a decrease leading to health issues like muscle loss, bone disease, and depression, and more research is needed on long-term effects and treatments.

Annurca apple supplement safely increases hair growth and keratin in humans.

Androgens can both increase body hair and cause scalp hair loss.

Androgens can both increase and decrease hair growth in different parts of the body.

The document concludes that it's important to understand the placebo effect when evaluating the effectiveness of treatments in medical trials.

Rosemary's antioxidant content changes with the climate and season.

Apple-derived procyanidin B-2 can safely promote hair growth in men.

For sensitive scalp, treatment is personalized and may include specific medications and hydration, while avoiding stress and irritating products.

Sensitive scalp causes discomfort and hair loss, treated with personalized care.

Sensitive skin is often caused by nerve fibers and environmental factors, and can be managed with mild skincare and professional advice.

Nearly half of the French individuals surveyed reported having a sensitive scalp, more common in women, often linked to hair loss and symptoms like itching, and triggered by factors including shampoos and pollution.

Sensitive skin often causes discomfort, affects many people, especially women and older adults, and should be managed with careful product selection.

Marine algae compounds may improve skin health and promote hair growth.

Melatonin helps regulate sleep and may aid in treating various health issues.

Melatonin treatment made ferrets grow their fur earlier and affected their breeding time.

Hair loss peaks in spring and regrowth in late summer, with pregnant females losing the most hair.

Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.

Laser hair removal is safe with the right settings, but side effects like pain and skin changes are more common in darker or tanned skin.

Immunizing goats against melatonin can temporarily change their cashmere growth cycles and increase fleece production.

Melatonin implants can change the seasonal prolactin levels and hair growth in adult cashmere goats but not in juveniles, and don't delay spring moult for better fiber harvesting.

The essential oil from Chamaecyparis lawsoniana has strong antibacterial and antifungal effects, especially against yeast and Gram-positive bacteria.

Vitamin D made by the skin plays a role in immune defense and skin health, and more research is needed to understand its full effects.

Pumpkin seed oil may help hair growth, but more research needed on frontal hair loss and long-term effects.

Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.