Glycosyl trehalose is a biotechnologically derived carbohydrate that functions as a powerful humectant and cellular protectant. It excels at stabilizing the skin barrier under environmental stress while providing a smooth, non-sticky sensory finish to cosmetic formulas.
- INCI Name:
- Glycosyl Trehalose
- Chemical/Scientific Name:
- Hydrogenated Starch Hydrolysate/Glycosyl Trehalose
- Common Aliases:
- Modified Trehalose, MG-60
| Category: | Moisturizers |
| Source Origin: | Plant-derived (typically Corn or Tapioca starch) |
| Comedogenic Rating: | 0 |
| Primary Industries: | Clinical Skincare, Sun Care, Post-Procedure Topicals |
| Solubility: | Water-soluble |
At a Glance: Properties & Effects
| Hydration/Moisture: | |
| Soothing/Calming: | |
| Texture Enhancement: | |
| Formula Stability: | |
| Irritation Risk: |
Primary Benefits:
- Provides long-lasting moisture retention without a tacky or heavy residue.
- Protects keratinocytes from dehydration and UV-induced cellular damage.
- Suppresses skin roughness and inflammatory responses caused by environmental irritants.
- Improves the spreadability and “elegant” feel of aqueous serums and gels.
Potential Risks:
- No known significant risks; considered inert and exceptionally well-tolerated.
Biological Action & Cosmetic Profile
The molecular behavior of this ingredient is characterized by its ability to act as an osmolyte. By regulating the osmotic pressure within skin cells, it prevents the collapse of cellular structures during desiccation. This “water-replacement” theory suggests that glycosylated sugars can form a hydrogen-bonded “glassy” state around proteins and lipid membranes, effectively shielding them from denaturation caused by heat or cold. Unlike standard Trehalose, the glycosylated version offers superior film-forming capabilities, which aids in immediate skin smoothing.Topical application results in a perceptible reduction in transepidermal water loss (TEWL). Research suggests that when skin is exposed to harsh surfactants, formulations containing this carbohydrate significantly decrease the resulting irritation and dryness. It functions synergistically with Glycerin, mitigating the heavy, sticky sensation often associated with high concentrations of polyols while amplifying the overall moisture-binding capacity of the product.In addition to hydration, its biological profile includes anti-inflammatory properties. Studies have shown a reduction in the release of pro-inflammatory cytokines when skin cells are pre-treated with this ingredient before UV exposure. This makes it a valuable component in sun care and “after-sun” recovery products, where it serves to calm the epidermis and maintain structural integrity under oxidative stress.
Broader Applications & Origins
Enzymatic processes are utilized to produce this ingredient from natural starches. By adding glucose molecules to a Trehalose core, chemists create a more stable and functional derivative for cosmetic use. Beyond leave-on skincare, it is widely utilized in haircare to protect the cuticle from heat styling damage and in color cosmetics to maintain the hydration of the skin underneath heavy pigments.
Routine Integration
Synergies:
- Humectant Boost: Works exceptionally well with Sodium Hyaluronate and Betaine to create a multi-depth hydration network.
- Barrier Repair: Complements Panthenol and Hydrogenated Lecithin for restoring compromised skin.
- Soothing: Pairs effectively with Allantoin to reduce redness in sensitive skin types.
Conflicts:
- None known. It is chemically stable and compatible with a wide range of pH levels and active ingredients.
Clinical Consensus & Safety
The Cosmetic Ingredient Review (CIR) Expert Panel has evaluated the safety of Trehalose and its related glycosyl derivatives, concluding they are safe for use in cosmetics. Clinical patch testing consistently demonstrates that glycosyl trehalose is non-sensitizing and non-irritating even at high concentrations. Because it is a sugar-based derivative already found in various organisms in nature, the skin recognizes and tolerates the molecule with minimal risk of adverse reaction.
Is glycosyl trehalose better than standard hyaluronic acid?
It is not necessarily “better,” but rather different. While Sodium Hyaluronate is a superior water binder, glycosyl trehalose provides better protection against environmental stressors and offers a much smoother, non-sticky finish in high-humidity environments.
Can this ingredient help with sunburn?
Yes, clinical data indicates it can suppress the inflammatory response and skin roughness caused by UV exposure. It helps maintain cell viability during the recovery phase of a burn.
Is it suitable for acne-prone skin?
With a comedogenic rating of 0, it will not clog pores. Its ability to soothe the skin can also help reduce the irritation often associated with acne treatments like Salicylic Acid or retinoids.