Unlabelled cream jars and a dropper bottle on a windowsill facing a mountain lake at sunset

Read the label,
then trust your skin

Vitamin C, collagen, LED masks, dark spots and hair care: clear explanations to help you choose a treatment and know why it works.

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Cosmoscosmetique starts from the questions people ask in front of the mirror or the bathroom shelf. What does vitamin C actually do for the face, and does collagen taken as a supplement reach the skin at all? Where do dark spots come from, and why do blackheads and enlarged pores persist well past adolescence? The magazine also looks at LED masks used at home, solid shampoo, hair jelly and the right way to use an eyelash curler, with a few pages on fragrance and on nails for those who care about the finishing touch.

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Know your skin before you buy another jar

Most disappointing purchases begin with a product chosen for the wrong skin. Dry skin lacks lipids, dehydrated skin lacks water, and oily skin can still feel tight after a cleanser that strips it too hard. Before adding a serum, it is worth watching your skin for a week or two: where it shines, where it flakes, what makes it redden. Active ingredients are then introduced one at a time. Vitamin C works best in the morning under sunscreen, because it helps fight the oxidation caused by daylight, while exfoliating acids belong to the evening routine. Dark spots deserve particular patience, since sun, hormones and old inflammation each leave a different kind of mark, and none of them fades in a few days. Hair follows the same logic: recognising whether it is fine, wavy or curly makes it easier to pick a solid shampoo or a styling jelly that will not weigh it down.

Some signs are not a matter for a magazine. Sudden or patchy hair loss, a spot that changes shape or colour, a blemish that bleeds or will not heal, or redness that keeps spreading despite gentle care call for a medical opinion. The same goes for clinic treatments: a consultation comes before any session. Our articles help you understand these signals and describe them clearly before an appointment, never to replace it.

Portrait of Olivier Langlois

Who writes here?

My name is Olivier Langlois. I run the editorial team of this magazine from Annecy. I am as curious about the ingredient list on the back of a jar as about the cut of a jacket, and I always prefer a precise explanation to a promise.

I write about the face first: vitamin C and other antioxidants, imperfections, dark spots, LED light and the clinic treatments that combine microneedling with radiofrequency. I also follow hair care, from solid shampoo to styling jelly, and wellness questions such as collagen or weight loss gummies, relying on recognised health sources. And I keep room for style, from nails to fragrance.

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