The Critical Role of Stearic Acid

The Critical Role of Stearic Acid

Cleansing With Harsh Surfactants Disrupts Stratum Corneum (SC) Function
  • Damages and strips skin of its natural moisture, including proteins and lipids
  • Causes significant water loss and increases dryness
  • Worsens lipid deficiency and dryness, especially in eczema patients
Cleansing With Harsh Surfactants Disrupts Stratum Corneum (SC) Function
A Mild and Moisturizing Cleanser That Replenishes is Critical for Optimal SC Health
  • Maintains adequate hydration
  • Preserves proteins and lipids to maintain SC integrity
  • Encourages a healthy foundation for cosmetic and medical procedures
A Mild and Moisturizing Cleanser That Replenishes is Critical for Optimal SC Health
It’s Important to Replenish Fatty Acids Like Stearic Acid
  • It was proven in an independent study that fatty acids, like stearic acid, are more soluble by surfactants and more easily removed during cleansing*
  • Fatty acids are critical because they help maintain elasticity, flexibility, and integrity
  • In contrast, ceramides remain anchored in the lipid bilayer.* They have a longer chain length and are relatively insoluble by surfactants
It’s Important to Replenish Fatty Acids Like Stearic Acid
Dove® Replenishes Stearic Acid at a 1-to-1 Ratio
  • The stearic acid in Dove® penetrates the SC 10 layers deep
  • There is no clear evidence in the literature that ceramides in cleansers get incorporated into the lipid bilayer
Dove<sup>®</sup> Replenishes Stearic Acid at a 1-to-1 Ratio
In a randomized, double-blind, controlled-application cleansing study, 25 participants were tested over a 1-day period using a single application of up to 20 strips. Contents from tape applications were analyzed after a controlled-application wash to determine stearic acid and triglyceride levels in the SC.

*Froebe CL, Simion FA, Rhein LD, et al. Stratum corneum lipid removal by surfactants: relation to in vivo irritation. Dermatologica. 1990;181:277-283.

See results in skin dryness for New Dove® Sensitive Skin Body Wash

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