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Melanocytes are important for skin and hair color and protect the skin from UV damage.

Vitamin D receptor helps protect skin cells from UV damage and supports their growth.

The skin acts like an endocrine organ, making hormones that affect skin diseases and respond to stress.

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

Using sunscreen and moisturizers may increase the chance of developing Frontal fibrosing alopecia (FFA), but the exact reason why is still unclear.

Actinic keratosis can lead to skin cancer, is more common in fair-skinned people, and can be reduced with sunscreen and treated effectively.

Taking vitamin C and vitamin E twice a day can help prevent sunburn and DNA damage from UVB exposure.

Melatonin is good for skin health and may help treat skin conditions.

Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.

Balneophototherapy effectively treats ichthyosis linearis circumflexa but may need ongoing treatment due to short remission.

Lipids are crucial for maintaining hair structure and health.

Chemical treatments and UV radiation severely damage the lipid layer on hair.

Gamma rays did not change hair follicle density but increased white and hypopigmented hairs in mice.

Infrared radiation can cause skin aging and cancer at high temperatures but may have therapeutic benefits at controlled levels.

Megavoltage radiation therapy extended survival in rabbits with thymomas, especially in those weighing more than 1.57 kg.

Topical PUVA and tacrolimus ointment can effectively and safely treat infant alopecia universalis.

Oestrogens help maintain healthy skin, heal wounds, and may protect against skin aging and cancer.

The study found that skin inflammation and immune response pathways are activated in Solar Urticaria patients after UV exposure, unlike in healthy people.

Hair fluorescence intensity can measure radiation exposure effectively.

Menopause reduces skin collagen and elasticity, and while estrogen therapy can help, its risks require careful consideration.

Environmental factors can cause mutations in skin proteins, leading to skin disorders.

Panax ginseng helps prevent hair follicle cell death and speeds up hair cell recovery after radiation in mice.

The conclusion is that hair loss in women is caused by a mix of hormonal, environmental, and genetic factors, and treatments should target these various causes.

Hair follicles can regenerate after radiation damage but not during a specific growth phase.

Different types of sun exposure damage skin cells and immune cells, with chronic exposure leading to more severe and lasting damage.

Different types of sun exposure can damage skin cells and affect healing, with chronic exposure being more harmful, and certain immune cells help in the repair process.

Skin aging reflects overall body aging and can indicate internal health conditions.

Hair acts as a significant natural sun barrier, with protection increasing based on hair density, thickness, and melanin presence.

Vitexin Compound 1 may help reduce skin aging caused by UVA light.

Caffeine improves hair growth, thickness, and reduces shedding.