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Permanent waving weakens hair by altering its protein structure.

Different combinations of human hair keratins affect how hair fibers form.

Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.

Artificial skin development has challenges, but new materials and understanding cell behavior could improve tissue repair. Also, certain growth factors and hydrogel technology show promise for advanced skin replacement therapies.

Researchers extracted tiny keratin filaments from human hair by unzipping its outer layer.

3D imaging of skin biopsies offers better accuracy but is time-consuming and can't clear melanin.

Human hair varies widely and should be classified by curl type rather than race.

Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.

Herbal shampoos clean and improve hair naturally without harmful side effects.

A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.

Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.

Nanoparticles added to natural materials like cellulose and collagen can improve cell growth and wound healing, but more testing is needed to ensure they're safe and effective.

Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.

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

Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.

Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.

The conclusion is that using bovine milk permeate to remove wool from sheepskins is eco-friendly and results in smoother, higher quality leather compared to traditional sulfide methods.

The document concludes that a deeper understanding of skin aging and photodamage is needed to create better skin treatments.

The new SIS-PEG sponge is a promising material for skin regeneration and hair growth.

Wound healing insights can improve regenerative medicine.

Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.

Wound healing is a complex process involving different cells and stages, leading to scar tissue formation and strength increase over time.

Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.

The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.

ECM-inspired wound dressings can help heal chronic wounds by controlling macrophage activity.

Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.

Adipose-derived stem cells show potential for skin rejuvenation and wound healing but require more research to overcome challenges and ensure safety.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

AP-2α and AP-2β proteins are essential for healthy adult skin and hair.

The document explains various skin conditions and their treatments.