Hydroxypropyl Tetrahydropyrantriol (CAS 868156-46-1, 439685-79-7)

S-Hydroxypropyl Tetrahydropyrantriol is a stereospecific C-xyloside derivative engineered to fundamentally enhance skin’s structural integrity. As a highly efficient xylose-based glycosaminoglycan (GAG) primer, it directly targets intracellular synthesis pathways, promoting the natural production of hyaluronic acid and other soluble GAGs. This results in measurable improvements in skin hydration, density, and architectural firmness. Its exclusive S-configuration delivers significantly greater bioactivity compared to the R-form, establishing a new standard for targeted anti-aging and skin-restructuring actives.

Why Choose S-Hydroxypropyl Tetrahydropyrantriol?

In a market saturated with hydrating and anti-aging claims, this ingredient provides a mechanistically distinct and scientifically validated approach. It goes beyond surface-level hydration by priming the skin’s own GAG synthesis machinery. This fundamental action leads to self-sustaining improvements in the extracellular matrix. For brands seeking to differentiate with proven efficacy, formulation flexibility, and a compelling science-backed story, S-Hydroxypropyl Tetrahydropyrantriol offers a superior balance of performance, stability, and clinical results that resonate with informed consumers and B2B buyers alike.

Key Benefits

• Stimulates Endogenous GAG Synthesis: Acts as a core intracellular primer, significantly boosting the production and secretion of hyaluronic acid and other GAGs, leading to profound, long-lasting hydration and a fortified extracellular matrix.

• Enhances Collagen & Dermal Structure: Upregulates key proteoglycans (Perlecan, Syndecan-4) that promote the synthesis of Collagen IV and VII, directly strengthening the dermo-epidermal junction and improving skin firmness.

• Visibly Reduces Wrinkles & Improves Elasticity: Clinically proven to diminish the appearance of deep wrinkles (e.g., nasolabial folds, crow’s feet) and enhance overall skin tightness and rebound resilience.

• Superior Stereoselective Activity: The optimized S-configuration ensures maximum biological activity, offering significantly higher efficacy in stimulating both GAG and collagen pathways compared to the R-form isomer.

• Excellent Skin Tolerance & Safety Profile: Supported by in vitro cytotoxicity studies showing low cytotoxicity on human fibroblasts, making it suitable for inclusion in a wide range of product types.

Typical Applications

S-Hydroxypropyl Tetrahydropyrantriol is ideally formulated into advanced skincare products where restructuring, firming, and deep hydration are key value propositions:

• Intensive Anti-Aging Serums and Concentrates

• Firming, Lifting, and Contouring Creams and Lotions

• Targeted Treatments for Eye Contour and Neck Areas

• Hydrating and Plumping Boosters and Ampoules

• Premium Day/Night Creams with Restructuring Claims

Recommended Usage Level

• Standard Efficacy: 1.0% – 3.0%

• High-Performance/Clinical-Strength Formulations: 3.0% – 10.0%

• Application Note: Highly water-soluble and compatible with most cosmetic systems. For formulations exceeding 5%, consider adjusting rheology modifiers to maintain optimal skin feel. Incorporate into the aqueous phase at temperatures <50°C. Stable across a wide pH range for formulation versatility.

Technical Information

• INCI Name: S-Hydroxypropyl Tetrahydropyrantriol

• CAS No.: CAS 868156-46-1, 439685-79-7

• Appearance: Clear to slightly yellowish liquid

• Solubility: Highly water-soluble

• Function: GAG Primer, Collagen Booster, Anti-Wrinkle, Firming & Hydrating Active

• Key Mechanism: Intracellular precursor for glycosaminoglycan synthesis

FAQ

1. How is S-Hydroxypropyl Tetrahydropyrantriol different from standard hyaluronic acid?
While hyaluronic acid is a GAG that provides passive hydration, this ingredient is a primer that actively stimulates the skin’s own cells to produce more HA and other GAGs. This results in more natural, endogenous, and potentially longer-lasting improvement in skin hydration and matrix quality.

2. What is the significance of the S-configuration?
The stereochemistry (S-form) is critical for biological activity. The S-configuration is specifically recognized by cellular enzymes, leading to significantly more efficient incorporation into the GAG synthesis pathway and superior efficacy compared to the R-form.

3. Is there clinical proof of efficacy?
Yes. A clinical study on females (avg. age 47.5) with pronounced nasolabial folds demonstrated that a 10% formulation applied topically for 4 weeks resulted in a significant reduction in wrinkle depth and a measurable improvement in skin firmness.

4. Is it suitable for sensitive skin formulations?
In vitro data on human fibroblasts indicates low cytotoxicity and good cellular tolerance. Its mechanism is physiological, supporting the skin’s natural processes. However, as with any active, final formulation compatibility and tolerance testing is recommended.

5. Can it be combined with other anti-aging actives?
Absolutely. It complements other actives such as peptides, vitamin C, and retinoids. It addresses the foundational aspect of skin hydration and matrix support, creating an ideal base for actives that target other pathways like collagen stimulation or antioxidant protection.

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