Subcutaneous layer

The subcutaneous layer, also known as the hypodermis, is a layer of subcutaneous adipose (fat) tissue located beneath the dermis of the skin. It serves as a protective cushion for the body and provides insulation, which helps regulate body temperature. Additionally,...

Sulfur

Sulfur is a potent ingredient that has been used for centuries for its therapeutic properties. In skincare, sulfur is known for its ability to reduce oil-gland activity and dissolve the skin’s surface layer of dry, dead cells. This makes it an effective...

Sun Protection Factor (SPF)

Sun Protection Factor (SPF) is a measure of how well a sunscreen protects the skin from sunburn. The SPF number tells you how much longer it will take for your skin to sunburn while using sunscreen compared to when you are not using sunscreen. For example, if you...

Sunless tanning

Sunless tanning is a safe and effective way for individuals to achieve a tanned appearance without exposing their skin to harmful UV radiation from the sun or tanning beds. Beauty professionals and estheticians can provide their clients with information and advice on...

Sunscreen

Sunscreen is a topical product that absorbs or reflects ultraviolet (UV) radiation from the sun. It is used to protect the skin from sunburn, premature skin aging, and skin cancer. Sunscreen is available in a variety of forms, including lotions, creams, sprays, gels,...