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Zinc is important for growth and health in animals, plants, and humans, and not having enough can cause various problems.

The document concludes that periocular hair disorders have various causes and treatments, and proper evaluation by specialists is important for management and prognosis.

Rampai leaves extract can significantly stimulate hair growth.

Heavy metals like arsenic, cadmium, and lead can increase cancer risk and worsen outcomes.

Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.

Adequate vitamin D might lower, and high hair chromium might increase DNA damage in obese women.

Many substances, including chemicals and metals, can cause skin reactions; careful handling and identification of allergens are crucial to prevent dermatitis.

Thioglycolate lotions are the most popular method for permanent waving and hair straightening.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

Adding cerium(III) chloride to Grignard reagents improves the making of compounds that could treat prostate issues and hair loss.

Premature graying of hair may suggest health issues and currently lacks effective treatments.

Cellulose nanocrystals are promising for making effective, sustainable sensors for various uses.

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

Nanoparticles show promise for better wound healing, but more research is needed to ensure safety and effectiveness.

The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.

Supercritical CO2 extraction makes rice bran oil healthier and safer than traditional methods.

Hair's strength and flexibility come from its protein structure and molecular interactions.

Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.

Selenium can be toxic to animals, causing serious health issues, especially in horses.

The review concludes that the Ziziphus species, especially jujube, may promote hair growth and have various health benefits, warranting more research.

Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.

Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.

Zinc is essential for plant growth and human health, but many soils lack enough zinc, affecting crops and potentially leading to health problems.

Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.

The document explains how shampoos clean, rinses condition, one-step shampoos offer convenience, and hair growth promoters aim to prevent hair loss, emphasizing the importance of scientific evidence for their effectiveness.

The symposium concluded that hair growth involves complex processes, including the hair follicle life cycle, the role of the dermal papilla, hair strength, pigmentation, and the impact of diseases and treatments like minoxidil on hair and skin.

Suaeda glauca and its compounds could be new treatments for hair loss.

Surfactants damage hair, but sealing the cuticle can prevent this.

Seaweeds have beneficial compounds for skin care, including anti-aging and protective effects.

Chitosan, a natural substance, can be used to create tiny particles that effectively deliver various types of drugs, but more work is needed to improve stability and control of drug release.