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Active ingredients
Peptides in cosmetics: categories, evidence and Dulcia
Peptides in skincare: how they work, which have supporting evidence and when to add them to your routine The four functional categories of peptides have different levels of clin...
Read the articleCeramides: NP/AP/EOP subtypes and how they work in the skin
Ceramides: what they really do for your skin and when to use them Does a ceramide cream work, or is it just marketing? What matters is the ratio of ceramides to cholesterol and ...
Read the articlePanthenol for skin: benefits and concentration
Panthenol (provitamin B5): what it really does for your skin and how to use it Panthenol (provitamin B5) does four things at once in the skin: it binds water, reduces water loss...
Read the articleCentella asiatica (CICA): what it really does for your skin and when to use it
Centella asiatica, known in Asia as gotu kola and in Slovak as púpočník ázijský, is a plant with more than two millennia of documented medicinal use. In modern cosmetics, it is ...
Read the articleRetinol: what it does, how to add it to your routine and why its form matters
Retinol is a derivative of vitamin A and one of the best-researched active ingredients in cosmetics over the past four decades. In this guide, we look at what retinol actually d...
Read the articleSalicylic acid (BHA): What really works for acne and blocked pores
Salicylic acid, referred to in scientific literature as a beta-hydroxy acid (BHA), is a lipophilic organic acid that penetrates sebum-filled pores and dissolves plugs of oil. It...
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