Serum T.E.W.L.

5/5 (1)
Biologique Recherche Serum T.E.W.L. (Trans Epidermal Water Loss) is formulated with an ultra-high concentration of precious lipid-replenishing, repairing, and protective oils. The combined action of its active ingredients restores a strong cutaneous barrier and strengthens the hydrolipidic film, so the skin can better shield itself from external aggressions. The serum’s formula envelops skin like an epidermal shield, providing intense nourishment and supreme comfort. Once repaired and protected, the epidermis maintains an optimal level of hydration.

Biologique Recherche Serum T.E.W.L. Benefits

Helping greatly to reinforce epidermal protection systems, Biologique Recherche Serum T.E.W.L. works like a genuine lipidic shield thanks to its formula boasting a wealth of lipid-replenishing, repairing, and protective active ingredients. By preserving optimal hydration, the skin can better defend itself and withstand extreme conditions of cold. It may also be applied as intense dual therapy after Dermo-RL. Recommended for skin with significant lipid deficiencies or subject to extreme climatic conditions (dry and cold). Biologique Recherche Serum T.E.W.L. is meant to protect the skin from water loss and lock in moisture. It is recommended for lipid-deficient skin types, those in dry climates, and anyone with severely dehydrated skins. However, it is also a deeply nurturing serum for cooler climates to eliminate sensations of tightness.

Discover Biologique Recherche Skincare

Explore our vast selection of Biologique Recherche products available exclusively at Ciel Spa. To determine which formulation is right for your skin's unique needs, schedule a personalized skin analysis with one of our expert estheticians. If you have any questions about which Biologique Recherche skincare products are best suited to your skin type, contact us today.

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Additional information


1oz, .03oz


Lipid-replenishing “shield” for the face.


Recommended for skin that is lacking in lipids and nutrients.


After using Creme Dermo-RL, apply 4 drops instead of the usual Finishing Serum to the entire face, neck, and décolleté and massage in with fingertips until completely absorbed.

AS AN INTENSIVE TREATMENT: 2 to 3 times a week, morning and/or night, for about 28 days.


Coco-Caprylate, Octyldodecanol, Sesamum Indicum (Sesame) Seed Oil, Apricot Kernel Oil Peg-6 Esters, Mink Oil (Mustela Oil), Vaccinium Macrocarpon (Cranberry) Seed Oil, Hippophäe Rhamnoides Fruit Oil, Hippophae Rhamnoides Seed Oil, Glycine Soja (Soybean) Sterols, Simmondsia Chinensis (Jojoba) Seed Oil, Raspberry Seed Oil / Tocopheryl Succinate Aminopropanediol Esters, Tocopherol, Helianthus Annuus (Sunflower) Seed Oil, Opuntia Ficus-Indica Fruit Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Citrus Aurantium Amara (Bitter Orange) Flower Oil, Cananga Odorata Flower Oil, Cholesterol, Potassium Sulfate, Cinnamyl Alcohol, Benzyl Salicylate, Benzyl Benzoate, Limonene, Farnesol, Geraniol, Linalool.


5/5 (1)