Biologique Recherche- Serum T.E.W.L 1 oz

Sale price Price $214.00 Regular price Unit price  per 

Serum T.E.W.L. is an extremely active treatment that revitalizes and regenerates the skin. Eliminates tightness and the appearance of fine lines associated with dehydration. Prevents Trans Epidermal Water Loss.  Great for those visiting or living in dry climates.

Other recommended products:

Use after Creme Dermo-RL all over the face, neck and decollete for ultimate results.  

How to use?

  •  Apply a few drops of Serum T.E.W.L. to the face, neck and decollete. 
  • Intensive treatment: Use 2 or 3 times a week, every morning and/or evening, over the entire course of a single epidermal renewal cycle (28 days).
  • Maintenance care: In case o prolonged exposure to unfavorable, cold and dry climatic conditions, or when the epidermis is extremely dehydrated, apply Serum T.E.W.L.


  • Help restore a high quality cutaneous barrier in order to improve the skin's defense system.
  • Creates a protective film that helps maintain lipids on the skin's surface and throughout the extracellular environment.
  • Procures a sensation of comfort immediately after application and throughout the day.
  • Serum T.E.W.L. compensates for lipid deficiencies.
  • Eliminates sensations of tightness and the appearance of fines lines associated with dehydration.


  • Lipidic: Blackcurrant Butter, Grape Seed Oil, 3 and 6 Complex
  • Hygroscopic: Hyaluronic Acid, Sugar Derivatives
  • Protective: Walnut Extract, Cranberry Oil, Omega
  • Repairing: Glycoproteins derived from Microorganisms of Antarctica, Barbary Fig Extract and Jojoba Oil