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Male and female skin differ due to hormones, affecting conditions like hair loss, acne, and skin cancer, and suggesting a need for gender-specific treatments.

Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.

Hair follicles may soon be used more for targeted and systemic drug delivery.

Pregnancy can cause skin darkening, varicose veins, more sweating, hair growth, hair loss after birth, nail changes, and gum inflammation.

Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.

Antibiotics can reduce acne but may lead to resistant bacteria, and understanding the skin's bacteria is important for treatment.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Isotretinoin effectively treats severe acne and similar conditions, but has common, mostly reversible side effects, requiring careful patient monitoring.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Pregnancy can cause skin pigmentation, stretch marks, and changes in hair, nails, and sweat glands, with most resolving after birth.

The document concludes that dandruff and seborrheic dermatitis are linked to inflammation and skin changes, and treating them with specific shampoos can reduce these issues.

DHEA stimulates skin oil glands and could help postmenopausal women, with potential for acne and excessive hair growth treatments.

The document concludes that careful evaluation is key to diagnose and treat women with hair loss, with tests for thyroid, iron, and hormones as needed.

Blocking BMP signaling causes hair loss and disrupts hair growth cycles.

Cyclosporin is effective for treating skin conditions in small animals, but requires careful dosing and monitoring for side effects.

Acne significantly affects mental health and quality of life, with research suggesting hormonal and genetic factors in its development and emphasizing early treatment to prevent scarring.

Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.

Injected human hair follicle cells can create new, small hair follicles in skin cultures.

Different women's hair and skin glands respond to hormones in varied ways, which can cause unwanted hair growth even with normal hormone levels, and more research is needed to treat this effectively.

Athletes use steroids to enhance performance despite health risks and legal issues, and education on their dangers is needed.

Activating β-catenin in different skin stem cells causes various types of hair growth and skin tumors.

Finasteride for hair loss may cause persistent sexual symptoms, depression, anxiety, and lower quality of life.

Hair follicles offer promising targets for delivering drugs to treat hair and skin conditions.

Androgen receptor activity blocks Wnt/β-catenin signaling, affecting hair growth and skin cell balance.

Disrupting Smad4 in mouse skin causes early hair follicle stem cell activity that leads to their eventual depletion.

Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.

Better hair care products are needed to protect against grooming and chemical damage.

Eating high glycemic foods and drinking milk may worsen acne by increasing insulin and IGF-1 levels.

Topical finasteride and flutamide reduce gland size and enzyme activity, with flutamide being more potent, potentially treating acne, seborrhea, hirsutism, and androgenic alopecia.

The protein SLC1A3 is important for activating skin stem cells and is necessary for normal hair and skin growth in mice.