Xylitol

hydrating
by cipher skincare published: sep 21, 2022 revised: feb 17, 2026 2 min read
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why we use xylitol

Understanding Xylitol: A Multifaceted Sugar Alcohol

Xylitol is a naturally occurring sugar alcohol found in various fruits and vegetables. It is commonly used as a sugar substitute due to its sweetness and lower caloric content. Beyond its role as a sweetener, xylitol offers several health benefits, particularly in oral care and skincare.

Oral Health Benefits

Extensive research has demonstrated that xylitol contributes to dental health by inhibiting the growth of bacteria responsible for tooth decay. Its regular use in dental care products can reduce the risk of cavities and improve overall oral hygiene.

Advanced Skin Hydration and Barrier Support

As part of a synergistic trio with xylitylglucoside and anhydroxylitol, xylitol optimises the skin’s water reserves, promotes moisture retention, and fortifies the skin’s natural defences against dehydration. This advanced humectant system ensures deep, long-lasting hydration while maintaining a smooth and supple skin texture.

Mechanism of Action: Enhancing Skin Hydration and Barrier Function

Xylitol exerts its effects through multiple biological pathways:1

  • Stimulation of Essential Lipids and Proteins: It promotes the synthesis of ceramides, cholesterol, and proteins vital for maintaining the stratum corneum's integrity, thereby reinforcing the skin's barrier function.
  • Optimisation of Water Circulation: By enhancing the expression of aquaporin-3, a protein that facilitates water transport between skin layers, xylitol ensures efficient hydration distribution throughout the epidermis.
  • Augmentation of Natural Moisturising Factors (NMFs): It boosts the production of hyaluronic acid and chondroitin sulfate, key components of the skin's extracellular matrix, which bind water and maintain tissue hydration.

Clinical Evidence Supporting Xylitol's Efficacy

Studies have demonstrated that formulations containing xylitol significantly improve skin hydration levels and barrier function. Participants experienced increased moisture retention and reduced transepidermal water loss (TEWL), leading to a more resilient and supple complexion.1

Ideal for All Skin Types

Due to its gentle yet effective hydrating properties, xylitol is suitable for all skin types, including sensitive and dry skin. Its ability to enhance the skin's natural moisture retention mechanisms makes it a valuable addition to skincare formulations aimed at improving overall skin health and appearance.

references

  1. 1 Garcia, C., Valin, E., Hernandez, E., Kern, C., Roso, A., Garcia, C., Valin, E., Hernandez, E., Kern, C., & Roso, A. (2023). Effect of a Simple Sugar-based Ingredient on Skin Moisturization: Biological Mode of Action and Clinical Effects. Asian Journal of Beauty and Cosmetology, 21(1), 13–27. https://doi.org/10.20402/ajbc.2022.0051 Effect of a Simple Sugar-based Ingredient on Skin Moisturization: Biological Mode of Action and Clinical Effects.
  2. 2 AQUAXYL - SEPPIC - Anhydroxylitol - Anti-Aging Agent - COSMOS. (2025). Knowde. 23 Feb 2025 from AQUAXYL - SEPPIC - Anhydroxylitol - Anti-Aging Agent - COSMOS.

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