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Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

Serum from alopecia patients does not stop hair growth in grafted skin on mice.

Human hair has a complex, variable structure with a consistent matrix and double-twist pattern.

Properly formulated large molecules can reach active levels at the hair bulb.

The dye quickly penetrates hair follicles, mainly through the gap, not the surrounding skin.

Human scalp hair on mice can effectively monitor mercury exposure.

Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.

The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.

The enzyme system in hair follicles is similar to the liver's and is affected by certain inhibitors.

Scalp dermal papilla and fibrous sheath cells have different MMP expression than scalp dermal fibroblasts.

A new method helps isolate key hair components to study hair growth and loss.

The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.

Human scalp fat stem cells showed improved cartilage-like development on a special scaffold with freeze-thaw treatment.

Scientists developed a way to isolate sweat glands from the scalp during hair transplants, keeping them alive for 6 days for research and cosmetic uses.

Heat and chemicals improve finasteride delivery to scalp and hair follicles, potentially enhancing treatment for hair loss.

The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.

The effects of estrogen on human scalp hair growth are unclear and need more research.

Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.

Hair growth drugs and epidermal growth factor do not change the calcium binding site gradient in hair follicles.

EGF and TGF-α help maintain hair cell cultures, but TGF-β1 stops their growth.

Taxane chemotherapy can cause permanent hair loss by damaging hair follicles and altering their DNA.

Applying thyroid hormones to the scalp can help hair grow.

Staphylococcus epidermidis affects hair growth and metabolism, suggesting it could help manage hair growth issues.

Growth hormone-releasing hormone (GHRH) boosts hair growth and human scalp hair follicles have their own growth hormone system.

A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.

Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.

Activating cAMP and ATP improves hair growth and strength.

Low doses of certain Chinese herbs can promote hair growth, while high doses may inhibit it.

Pig blood plasma can be used to promote human hair growth and is a good alternative to the commonly used serum additive.

Porcine PRP can replace FBS and promote hair growth.