Did you know that skin naturally sheds half a liter of water a day ? This biological phenomenon has a name: PIE (imperceptible water losses). There moisturizer will overcome this problem, hence the importance of applying it daily. It will prevent dehydration by forming a barrier.
In his latest special, 60 Million consumers (Special Edition No. 141S) has tested several moisturizers so that we can give you an idea of which ones are the most effective taking into account the unwanted ingredients.
Day cream with SPF: 60 million consumers advise against
” She [le crème hydratante, ndlr] even constitutes, with make-up removal and sun protection, one of three elements essentials leading to healthy skin. Before looking for the ideal cream, you have to know if you have dry, oily, reactive skin… For this, the best thing is to ask your dermatologist “, shares 60 Million consumers in its latest survey.
To make your choice, learn to distinguish between the different moisturizers. The consumer association calls for avoiding those containing sunscreen (with SPF or FPS) that she considers ” useless, even dangerous “. Indeed, today, more and more day creams incorporate sun protection. ” But these products are only applied once a day and their protection factor is low. They are therefore ineffective against sun damage. », alerts 60 million consumers.
Some ingredients are endocrine disruptors
Make a clear distinction between day cream and night cream and do not interchange them. ” The most important aspect is that linked to the presence of regenerating molecules such as glycolic acid or retinol, which react to sunlight causing skin irritation. Using them in a night cream formulation gets around this problem. », emphasizes Isabelle Margnat, Isabelle Margnat, doctor of pharmacy and author of the book On edge (ed. Flammarion, 2019. It is therefore not recommended to apply a night cream during the day.
You can also scan the ingredients present in the cream. ” Some toxins often appear, such as ethylhexyl salicylate, suspected of being an endocrine disruptor. But we also commonly find salicylic acid, classified as carcinogenic-mutagenic-reprotoxic (CMR), benzyl salicylate or BHT (butylhydroxytoluene), suspected of being endocrine disruptors or CMR adds 60 million consumers.
The repeated use of some aggressive active ingredients (AHA, retinol, clay, soap, etc.) can also weaken the skin barrier. On dark skin, irritation can even cause stains!
In general, the shorter an ingredient list, the better!
Source : 60 Million consumers (Special Edition No. 141S)
