Blog & Conseils
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How skin cycling really works and who it's for
Skin cycling is a four-night routine that has taken social media by storm: one night of exfoliation, one night of retinoid, then two nigh...
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Hormonal acne: why does it return just before your period?
You had clear skin at twenty, but now pimples are appearing on your lower face at thirty, even forty. They often return a few days before...
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Which cosmetic active ingredients can be combined without irritating the skin
Is your skin irritated despite using good products? The problem might be with combinations. Here are documented problematic combinations...
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What's the best skincare routine for Black or mixed-race skin?
Black and mixed-race skin has specific biological characteristics that most skincare advice ignores. Here's what makes them unique and ho...
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What anti-aging routine to start based on your age and skin type
Anti-aging does not start at the same time for everyone and is not built in the same way at 28 as at 52. Here are the biological prioriti...
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What Skincare Ingredients Actually Do: The Complete Glossary
Niacinamide, retinol, AHA, ceramides, peptides: skincare active ingredients are everywhere but rarely well explained. This glossary decip...
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Why the skin microbiome changes your entire skincare routine
Your skin is home to a living ecosystem. Mistreating it with the wrong skincare products is one of the most overlooked causes of reactive...
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Daily SPF: why it's your best anti-aging ally
Over 80% of the visible signs of aging are caused by sun exposure. Science has proven that daily SPF reduces aging by 24%. Here's everyth...
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Skin types and phototypes: understanding everything to make the right choices
Your skin type describes how it behaves. Your phototype describes how it reacts to the sun. Understanding both together means understandi...
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Oily, dehydrated skin: the paradox we can't explain
Oily skin can be dehydrated. And it's this lack of water that causes shine. Here's the mechanism and the routine to get rid of it. Tags: ...
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How to introduce retinol without irritating or damaging your skin
Retinol is the most documented anti-aging active ingredient available. But it rewards gradual progress and doesn't forgive impatience. He...
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How to identify your type of acne to choose the right active ingredients
Not all acne is treated the same way. Identifying your type is the first step to choosing the right active ingredients and stopping the e...
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How to read an INCI list: fairy dusting and underdosed active ingredients
An ingredient listed on a label is not necessarily present in an effective dose. Understanding the INCI list means understanding why most...
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