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Patch test

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A patch test is a procedure performed by beauty professionals and estheticians to ensure the safety and suitability of skincare products, treatments, or hair dyes for their clients. By conducting a patch test, professionals can identify potential allergies,...

Peptides

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Peptides are short chains of amino acids, which are the building blocks of proteins. These amino acids link together in various combinations to form different types of peptides. When longer chains of amino acids are formed, they are referred to as polypeptides. In...

Performance ingredients

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Performance ingredients are the ingredients in cosmetic products that cause actual changes in the appearance of the skin. They are the ingredients that are responsible for the product’s claims, such as anti-aging, acne-fighting, or moisturizing. Performance...

Perioral dermatitis

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Perioral dermatitis (PD) is an inflammatory skin condition characterized by the appearance of acne-like lesions, primarily around the mouth area. It typically manifests as small clusters of red, itchy, or inflamed papules. Although the exact cause of perioral...

Personal Protective Equipment (PPE)

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Personal protective equipment, commonly known as PPE, refers to protective clothing and devices designed to safeguard individuals from exposure to bloodborne pathogens and other potentially infectious materials. In the context of beauty professionals and estheticians,...