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Typologie de peau AP(.).

AP(.), what does it mean?

AE(-), DP(.), PE(+), VP(-), AP(.)... these terms are far from the traditional skin type definitions: oily skin, normal skin, combination skin, and dry skin. At Typology, we have identified 24 different skin profiles, not just 4, based on a more advanced scientific methodology. But what exactly does the term AP(.) mean?

What do the initials AP(.) stand for?

Skin Aging ABSENT

Oxidation Factor PROTECTED

Sebum Production BALANCED (.)

The letter "A" stands for Absence of aging signs.

The letter "A" indicates thatno signs of aging are visible on the skin. Indeed, three main manifestations can affect the appearance of the face, namely wrinkles, skin sagging (loss of volume), and loss of density. Generally, the first signs of skin aging appear around the age of 25, reflecting the changes that occur in the different layers of the skin (slowing of cell renewal, reduction in lipid production, decline in the production of collagen, elastin, and hyaluronic acid, decrease in the size and number of fat cells...). Although aging is an inevitable process, it is possible to prevent and exert some control over the various factors affecting the speed of aging, and thus delay the appearance of signs of age.

The letter "P" stands for Protect against oxidation factors.

The letter "P" signifies that the skin is well protected against the sun's UV rays. Beyond these beneficial effects on mood or vitamin D secretion, excessive sun exposure is the main cause of premature skin aging and the onset of skin cancers. Indeed, UVA rays can cause dermal changes , especially in the elastic tissue, and UVB rays lead to epidermal damage. Activation of free radicals, alteration of the cell membrane, DNA modification... UV rays act differently within skin cells to generate damage, which can alter the cell's function, cause its death, or trigger DNA mutations that eventually lead to the formation of cancerous cells. Thus, even though the skin has some defenses against UV rays (melanogenesis, endogenous antioxidant system...), it is important to regularly and adequately apply a sunscreen product suited to one's phototype and sun exposure conditions for reasonable exposure while limiting risks.

The point "." for Balanced Sebum Secretion.

The "." indicates a balance in sebum production. Naturally produced by the sebaceous glands, the sebum is a fatty substance that helps the skin protect itself against external aggressions and fight against dryness by being part of the hydrolipidic film. Comfortable and soft to the touch, this skin type has a matte appearance without a shiny effect or "crocodile skin", and its skin texture is regular and uniform with pores tightened. It is naturally well hydrated, protected, and blemishes are rare. However, despite this skin balance, it also requires specific care to maintain its abilities and strengthen its regulation mechanisms.

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