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A new, quick method was developed to analyze skin lipids, discovering a new ceramide subclass.

Free fatty acids in sebum boost skin's defense against acne by increasing antimicrobial peptides.

Innate lymphoid cells help control skin bacteria by regulating sebaceous glands.

Human skin acts like a hormone-producing organ, making and managing various hormones important for skin and hair health.

Hair follicles are normally protected from the immune system, but when this protection fails, it can cause hair loss in alopecia areata.

Feather patterns form through genetic and epigenetic controls, with cells self-organizing into periodic patterns.

Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.

Increased FGFR2b signaling, influenced by androgens, plays a role in causing acne.

Hormones and signaling pathways control sebaceous gland function and could help treat acne.

Future hair cosmetics will be safer and more effective.

Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.

TGFβ signaling prevents sebaceous gland cells from producing fats.

High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.

Dermoscopy is effective for diagnosing various skin infestations and infections.

Certain natural and synthetic compounds may help treat inflammatory skin diseases by targeting a specific signaling pathway.

Using three different drugs together may better treat eye diseases like glaucoma and macular degeneration.

Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.

Cell-based models help test if cosmetic ingredients really work for hair growth and skin health.

The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.

Keratin protein production in cells is controlled by a complex system that changes with cell type, health, and conditions like injury or cancer.

The combination of Arginine Silicate Inositol Complex and a new form of Biotin improved hair and nail growth in rats.

Female cuckoo color differences are linked to their unique genes and help avoid male harassment.

PRP helps skin heal, possibly through special cells called telocytes.

Acne treatment with isotretinoin increases the presence of p53, a protein, in skin and oil glands, which may help reduce acne severity.

The stiffness of a wound affects hair growth during healing, with less stiff areas growing more hair.

Nanoparticles may improve treatment for lung disease by targeting cells better and reducing side effects.

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

Hair and nails can show hormone changes during puberty in dogs.

Biopolymers are increasingly used in cosmetics for their non-toxicity and skin benefits, with future biotech advancements likely to expand their applications.

Cows moving from tie-stalls to free-stalls had fewer leg injuries but more stress and heel horn erosions.