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The document concludes that biotin, folate, and RGD peptides are promising for targeting cancer cells with prodrugs, but the conjugates are not yet tested for use.

Chemical hair straightening changes hair proteins and mostly fixes broken bonds.

Permanent waving weakens hair by altering its protein structure.

L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.

Hair fibers may have a unique, non-protein sheath not previously identified.

Different ethnicities and treatments affect human hair strength and structure.

Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.

Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.

New acne treatments show promise as alternatives to traditional therapies.

Dermatologists should use hair relaxers carefully to avoid hair and scalp damage, following specific guidelines for application and maintenance.

Protein hair straighteners damage the hair more than hair dyes.

Some chemicals and drugs can cause hair loss, which usually grows back after stopping the treatment.

Overexpression of activin A in mice skin causes skin thickening, fibrosis, and improved wound healing.

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

Hair keratin-associated proteins are essential for strong hair, with over 80 genes showing specific patterns and variations among people.

A new protein was made to detect specific skin cell growth receptors and worked in normal skin but not in skin cancer cells.

Hair follicles in people with alopecia have lower levels of a key blood vessel growth protein.

Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.

Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.

PDI helps restore over-bleached hair's strength and structure by attaching special peptides.

The study found no common cause for a girl's crystalline cataract and uncombable hair, suggesting their co-occurrence might be coincidental.

Hair sunscreens are important for maintaining hair's cosmetic value.

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

VDUP1 is found in skin and hair follicles, interacts with sciellin, and may help regulate skin cell differentiation.

Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.

Copper and iron cause keratin damage in hair by converting methionine to homocysteine.

Serum biomarkers like insulin-like growth factor-1 and vitamin D may help diagnose androgenetic alopecia.

Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.

Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.

Frequent use of hair straighteners can cause hair loss similar to scarring alopecia in young Turkish women.