How It Works: Skin, Hair, Nails - Technology, Science & Smart Beauty

It's the outermost layer that protects against water loss and irritants.

Over-exfoliation, harsh cleansers, and environmental stressors.

Through cell turnover, collagen production, and hydration.

Anagen (growth), catagen (transition), and telogen (resting).

About 1 cm per month on average.

Follicles shrink due to hormones and reduced collagen.

A protein that makes up hair strands, nails, and skin.

Lack of hydration, low biotin, or frequent exposure to chemicals.

From the nail matrix under the cuticle.

No, only new nail growth replaces damage.

Collagen and elastin fibers decline over time.

Pigment that determines skin color and protects from UV rays.

Excess melanin caused by sun exposure or hormonal changes.

Yes, protein, vitamins, and omega-3s strengthen them.

Dry = lack of oil; dehydrated = lack of water.

Polish staining, smoking, or fungal infection.

Damage from heat, chemicals, or lack of hydration.

Clogged pores, excess sebum, and bacteria.

Yes, most cell regeneration happens during sleep.

It maintains skin firmness, elasticity, and youthful appearance.