My opinion on Biotherm
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The Biotherm brand, founded in 1952 and part of the L'Oréal group, is based on an iconic ingredient: life plankton. Discovered in the French Pyrenees, this microscopic organism is full of 35 nutrients with regenerative properties for the skin. It promotes hydration, balance, firmness, and soothing while strengthening the skin barrier. Biotherm also stands out for its commitment to eco-responsible practices, such as using renewable ingredients, formulating ocean-friendly products, and designing sustainable packaging.
In this review, I share my experience with five products from the brand, based on my personal tests and in-depth analyses.
Cera Cream to Foam Cleanser
Approximate price: CAD 38 / Approximately €26
I admit I've always been skeptical about foaming cleansers, fearing they would dry out my skin. However, this vegan, soap-free cleanser, enriched with bioceramides, niacinamide and life plankton, pleasantly surprised me. Despite its generous lather, my skin remained soft, moisturized, and never tight. The fresh, marine scent adds a pleasant sensory touch, although it may not suit those who prefer fragrance-free skincare products. In terms of environmental friendliness, the packaging is designed with 24 % of recycled plastic and the formula is 99% biodegradable %.
Life Plankton Elixir
Approximate price: CAD 107 / £69 / Approximately €80
This moisturizing and soothing serum combines glycerin, life plankton and vitamin C for a more radiant complexion and visibly smoother skin. Its light texture and fresh, almost «aquatic» fragrance make it a pleasure to apply. After a few weeks of use, I noticed a reduction in fine lines and brighter skin. The luxurious bottle design, with its chrome pipette, adds a premium touch to the experience.
Cera Repair Barrier Cream
Approximate price: CAD 65 / £58 / Approximately €60
This moisturizer has been my ally throughout the day. Its formula, rich in ceramides and in life plankton It strengthened my skin barrier while moisturizing my dry areas, especially around my nose. Although it feels thick to the touch, it absorbs quickly and works perfectly with makeup. I've adopted it as my main day cream, abandoning my other skincare products.
Blue Retinol Night Serum
Approximate price: CAD 99 / £75 / Approximately €85
This night serum contains 0.25 % of retinol, from life planktonthe glycerinthehyaluronic acid and niacinamide. I use it two to three times a week, and it has helped smooth my skin, even out my complexion, and target fine lines. Its creamy texture prevents any side effects such as irritation or flaking, making it a real success for a gentle yet effective retinol product.
Blue Pro-Retinol Multi Correct Cream
Approximate price: CAD 103 / £72 / Approximately €90
This rich night cream contains pre-retinol, from life plankton and niacinamide. It provides intense hydration and leaves my skin plumped and radiant when I wake up. I have used it alone or combined with the serum from the same range, and I have noticed a visible improvement in fine lines and skin texture. Its luxurious formula makes it an essential part of my evening routine.
My final verdict on Biotherm
Biotherm delivers on its promises with products that are effective, enjoyable to use, and environmentally friendly. Whether for its commitment to hydration or its innovations in sustainability, the brand has established itself as a benchmark in the field of skincare.
Overall score: 8/10
To find out which products are best suited to your skin type, download the app. BeautyDecoded. Here you will find a personalized analysis of Biotherm products and detailed customer reviews.
BIOTHERM products
Testimonials from satisfied customers
The opinions of numerous users confirm that BIOTHERM products keep their promises in terms of efficacy and sensoriality:
"I fell in love with Aquasource gel-cream the very first time I used it! It quickly penetrates the skin and leaves an incredible sensation of freshness. I no longer feel tight and my skin is well hydrated all day long."
"The Anti-Drying Body Milk is a real revelation for me. My skin is supple and soft after application, with no greasy feeling. In just a few weeks, I've noticed a clear improvement in my skin texture."
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