What Biotherm claims:

This product has revolutionary texture which unite the repair of an oil and the power of a serum. Whereas most oils feel hot and greasy on the skin, and serums often don’t feel nutritive, Serum-in-oil applies fresh and transforms under the fingers, to fuse beautifully into the skin.

Serum-in-oil is especially dedicated for nighttime use to deliver optimum repair and nutrition. Delivering a heightened smoothing effect, thanks to its nutri-replenishing action and revolutionary texture. Skin has never felt so smooth, replumped and radiant. It restores skin’s youthful bounce and and visibly soften wrinkles.


My observations:

Just as described, the texture of this product is somewhere between oil and serum, and as such is totally unique. Does not leave a greasy trace , and regardless of its nutritional value, it is very lightweight when applied.

Only a few drops of product is needed to cover the entire face and you have to use it only before bedtime, so the product can last for a long time. After a few uses, my skin became radiant, smoother and softer. The scent is divine; I’d say it’s a combination of sweet apricot with a hint of orange .

Biotherm stated that Blue Therapy Serum-in-oil significantly reduces water loss after just one application, showing its protective and regenerating effect on the skin and I can confirm that. I had a short phase of extra dryness. Significant improvement was seen after the first use of this product, and after a couple of nights, my skin has been fully restored .

I can only conclude that I totally fell in love with this product. :x The general condition of my skin has improved, and I noticed a distinct shift in terms of luminosity.


Biotherm Blue Therapy Serum-in-oil

Biotherm Blue Therapy Serum-in-oilFull size product (30 ml/1.01 fl. oz.)

Biotherm Blue Therapy Serum-in-oilSample size product (10 ml/0.33 fl. oz.)

Biotherm Blue Therapy Serum-in-oil



Net weight: 30 ml | 1.01 fl. oz.

Price: £44.00 (approx. $70.00)


Available HERE (free worldwide shipping)


PR sample

What do you think about this product? Have you ever used Biotherm products? Which ones?

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