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Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.

Chinese herbal medicine can help treat hair loss by promoting hair growth and preventing cell death, maintaining a balance between hair growth and loss.

Low temperatures don't harm hyaluronic acid's healing abilities.

Heating human hair creates hollow microtubes with smooth surfaces.

Fractional infrared technology is effective and safe for treating cervical laxity.

Toluene lowers body temperature through different mechanisms depending on the concentration.

Skin can be cooled quickly and safely during laser treatments to protect it without affecting deeper layers.

Finasteride's two forms have different stability based on temperature and pressure.

Cooler scalp temperatures during chemotherapy may prevent hair loss.

Cooling the scalp below 22°C before and during chemotherapy can help prevent hair loss.

The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.

Straight permed hair loses weight faster than virgin hair when heated, but ends up heavier after burning.

Scalp cooling helps prevent hair loss during chemotherapy for breast cancer.

Cold temperatures reduce sprouted seed extract yield, but PSR™ technology produces extracts with more beneficial compounds than conventional methods.

Scalp conditions change with age, affecting hair health.

Heat damages hair, with Asian hair losing more protein than Caucasian hair.

Heat worsens damage in chemically treated hair, especially bleached and straightened hair.

Women with thinning hair have thinner hair strands than women without hair loss.

New shampoo with tyramine hydrochloride reduces hair loss by making a small muscle in the hair follicle contract.

Bleaching hair increases pore size and changes pore structure.

Humidity affects hair structure changes during stretching.

Keeping human skin stem cells is easier with low temperatures and mTOR inhibition.

Maize root hairs adapt differently to mild and severe cold, with mild stress allowing some growth and severe stress stopping growth to focus on defense.

Yak hair stretches mainly due to macromolecules slipping past each other.

Premature infants have less elastic hair than full-term infants.

Scalp cooling therapy helped over 80% of women keep at least half their hair during chemotherapy.

Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.

Shampoo D is best for fixing perm-damaged hair.

Stretching damages Caucasian hair's structure more easily than Asian hair.

New method measures skin cell turnover quickly and effectively, showing turnover slows with age and responds more to treatments in older skin.