Betaine Salicylate CAS 17671-53-3

Betaine Salicylate is a next‑generation BHA (beta‑hydroxy acid) derived from natural salicylic acid and moisturizing betaine. Unlike traditional salicylic acid, Betaine Salicylate offers powerful exfoliation with minimal irritation, making it ideal for sensitive, dry, or acne‑prone skin. This unique molecular structure allows Betaine Salicylate to penetrate pores effectively while maintaining skin hydration.
Gentle Keratolytic Action
Betaine Salicylate breaks down dead skin cells and unclogs pores without stripping the skin barrier.Anti‑Acne & Antimicrobial
Betaine Salicylate suppresses Cutibacterium acnes and reduces inflammatory lesions.Sebum Regulation
Betaine Salicylate helps control excess oil production, minimizing shine and blackheads.Anti‑Inflammatory & Soothing
Betaine Salicylate calms redness and oxidative stress, suitable for rosacea‑prune or reactive skin.Hydration Support
Unlike harsh BHAs, Betaine Salicylate upregulates aquaporin‑3, improving skin moisture retention.
| CAS | 17671-53-3 |
|---|---|
| Appearance | white powder |
| Content | ≥99% |
| Odour | characteristic odour |
| Heavy metal | ≤10ppm |
| Total Bacteria | <1000cfu/g |
| Solubility | Dissolved at pH 3.8-4.2 (AMP95 neutralisation) |
| Recommended dosage | 0.5%-5.0% |
1. Gentle & Controlled Action (Its Defining Feature)
Mechanism: Betaine Salicylate (BHA) is a "pro-drug" that slowly converts to active salicylic acid on the skin.
Result: Provides a time-released, controlled exfoliation, minimizing the sharp sting and immediate irritation common with direct salicylic acid. This makes Betaine Salicylate (BHA) exceptionally tolerant for sensitive, reactive, or rosacea-prone skin.
2. Effective Keratolytic & Comedolytic Agent
Function: Retains the core BHA ability to dissolve the"glue"(desmosomes) between dead skin cells and penetrate deep into pores to dissolve sebum and debris.
Result: Unclogs pores, prevents blackheads/whiteheads (comedones), and refines skin texture—effectively treating and preventing acne at its root.
3. Inherently Anti-Inflammatory & Soothing
Dual Action: The released salicylic acid reduces inflammation. The betaine component is a skin-conditioning humectant that helps hydrate and calm the skin barrier.
Result: Reduces redness and swelling associated with acne pimples. It treats breakouts without exacerbating inflammation, a common drawback of harsher acne treatments.
4. Enhanced Stability in Formulations
Property: The complex is more soluble and stable in water-based formulas compared to pure salicylic acid, which can precipitate out.
Result: Allows chemists to incorporate it into a wider variety of elegant, cosmetically pleasing products like clear toners, light serums, and moisturizing creams.
5. Sebum-Regulating & Pore-Purifying
Function: By thoroughly cleaning out pore linings and exfoliating the surface, Betaine Salicylate (BHA) helps normalize skin function.
Result: Aids in controlling excess oil (sebum) over time and minimizes the appearance of enlarged pores.

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