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Group a wide range of chemicals, not just phthalates, for assessing risks to male reproductive health.

Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.

Low doses of mixed chemicals cause permanent reproductive malformations in male rats.

Dermoscopy helps diagnose skin issues and warns against unqualified treatments.

The enzyme Rand protease works well for leather dehairing and its stability is important, with Leu75 playing a key role.

Common Black hair care products may affect hormone levels and potentially impact health, especially in reproductive and metabolic areas.

Some chemicals absorbed through the skin can cause serious health problems.

Innovative methods are reducing animal testing and improving biomedical research.

Hair straightening changes hair structure and can cause damage if done wrong, but improvements in the methods are expected to continue.

Chemicals and body size might change when puberty starts and progresses, but more research is needed to confirm this.

5% minoxidil works better for hair growth and density, with minor irritation.

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

Women of color in Northern Manhattan view hair care as important to their identity and culture, and education on harmful chemicals in hair products is needed.

Five preservatives may disrupt hormone function and need more health and environmental risk assessment.

Dermoscopy helps quickly identify hair breakage in people of African descent.

The black orchid Brasiliorchis schunkeana produces chemicals that attract certain insects and have potential antimicrobial properties.

St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.

Women with PCOS have higher levels of AMH in their blood and follicles, and this can help predict their risk of overreaction to fertility treatments.

Human hair keratin might be good for filtering out harmful substances from water.

MJ04, a new compound, effectively promotes hair growth and is a potential topical treatment for hair loss.

The optimized microemulsion with cinnamon oil effectively delivers finasteride through the skin without damaging hair.

The document concludes that individualized treatments for hair issues are effective, certain hair changes can indicate neurocutaneous diseases, specific lotions improve skin health, laser hair removal works but needs more study on long-term effects, men's cosmetics are diverse, peeling is effective but can have side effects, and facial pigmentation is often due to overactive skin cells.

Permanent hair dye mixtures can irritate and damage the skin.

Both HPSAM and PLS methods accurately measure minoxidil and tretinoin concentrations.

Finasteride modifies 5-alpha-reductases through a two-step process, affecting inhibitor potency and possibly causing side effects.

Researchers identified new compounds in Platycladi Cacumen and found variations in its flavonoid content, which could aid in its quality control.

Green-synthesized nanoparticles can effectively target cancer cells, reducing side effects and improving treatment.

The new method is rapid, sensitive, and accurate for evaluating the quality of the medicinal herb Platycladi cacumen.

Chemical hair straightening significantly reduces detectable drug levels in hair.

A mix of tocopherol acetate and L-menthol helps grow hair better than using them separately or using minoxidil.