1. PRODUCT DESCRIPTION
PuriActives® LTC (Lysine Thiazolidine Carboxylate, CAS 57762-37-5) is a high-purity (≥98.0%) sulfur-containing amino acid derivative designed for modern cosmetic applications targeting sebum balance, skin conditioning, scalp comfort, and purifying care.
The molecule is the lysine salt of thiazolidine carboxylic acid, combining the skin-conditioning properties of amino acids with the unique characteristics of a sulfur-containing five-membered heterocyclic ring. This structure provides excellent water solubility and broad formulation compatibility.
2. TECHNICAL SPECIFICATIONS
PuriPharm Internal Specification Data
3. PRODUCT CHARACTERISTICS & BENEFITS
- High purity (≥98.0%) ensures consistent batch-to-batch quality
- Water soluble — easy incorporation into aqueous systems
- Wide pH compatibility (4.5–9.0) — suitable for most cosmetic formulations
- Non-ionic character — compatible with surfactants, emulsifiers, and other actives
- Heat stable within recommended storage and processing conditions
- White to ivory fine powder — no color impact on final product
- Mild profile — suitable for sensitive skin and scalp formulations
- Small molecule amino acid derivative — good skin interaction potential
- 36-month shelf life — excellent supply chain stability
4. RECOMMENDED APPLICATIONS
4.1 Facial Skincare
- Oily and combination skin care
- T-zone sebum control treatments
- Blemish-prone skin purifying care
- Mattifying primers and moisturizers
4.2 Scalp Care
- Scalp sebum balance lotions
- Leave-on scalp serums
- Scalp comfort treatments
- Pre-shampoo scalp preparations
4.3 Hair Care
- Purifying shampoos for greasy hair
- Anti-dandruff shampoo systems
- Scalp-conditioning conditioners
- Leave-on hair treatments
4.4 Cleansing & Conditioning
- Mild cleansing formulations
- Skin-conditioning cleansers
- Post-cleansing skin balance products
- Men’s care formulations
5. SUGGESTED USE LEVEL
- Recommended use level: 0.5–3.0%
- Add to the water phase; dissolve at room temperature or with mild heating
- Formulate within pH 4.5–9.0 for optimal stability
- Avoid prolonged exposure above 60°C
- Compatible with glycols, humectants, most thickeners, and common preservatives
6. FORMULATION GUIDELINES
6.1 Recommended Pairings
- Zinc PCA — enhanced sebum balance effect
- Salicylic acid — blemish-care systems
- Panthenol — scalp comfort formulations
- Mild surfactants — cleansing systems
6.2 pH & Temperature
Recommended formulation pH: 4.5–9.0. Maximum recommended processing temperature: 60°C for short durations. The ingredient is stable across the recommended pH and temperature ranges.
7. EXAMPLE FORMULATIONS
8. RECOMMENDED CLAIM LANGUAGE
The following cosmetic claims are appropriate for products containing PuriActives® LTC:
- Helps balance the appearance of sebum
- Supports oily and combination skin care
- Helps purify blemish-prone skin
- Supports scalp comfort
- Suitable for greasy scalp and oily hair care
- Helps maintain healthier-looking skin and hair
- Supports skin conditioning
- For purifying care routines
8.1 Claims to Avoid
The following medical claims should NOT be used:
✗ “Treats acne” → use “helps purify blemish-prone skin”
✗ “Cures dandruff” → use “supports scalp comfort”
✗ “Treats seborrheic dermatitis” → use “for greasy scalp care”
✗ “Treats hair loss” → not a claim direction for this ingredient
9. MECHANISM & SCIENTIFIC RATIONALE
PuriActives® LTC is positioned for sebum distribution normalization, skin conditioning, and scalp comfort through its amino acid derivative structure.
[Category C — Supporting scientific context] Thiazolidine carboxylates are structurally related to L-2-oxothiazolidine-4-carboxylate (OTC/procysteine), which has been studied in connection with glutathione metabolism pathways. This provides a scientific rationale framework. No direct clinical claim is made regarding glutathione or antioxidant activity for PuriActives® LTC.
10. STORAGE & STABILITY
- Storage temperature: 4–25°C
- Store in a dry place, away from direct sunlight
- Keep container tightly closed when not in use
- Shelf life: 36 months from date of manufacture under recommended storage conditions
- Appearance may vary slightly from white to ivory — this is normal and does not affect quality
11. PACKAGING
Standard packaging: 1 kg aluminum foil bag
Bulk packaging available upon request. Contact PuriPharm for custom packaging options.
12. REGULATORY STATUS
- INCI name: LYSINE THIAZOLIDINE CARBOXYLATE
- CAS No.: 57762-37-5
- Suitable for cosmetic and personal care applications
- For external use only
- Formulators are responsible for ensuring compliance with local regulations in their target markets
13. SAFETY INFORMATION
This product is intended for use as a cosmetic raw material only. It is not a finished cosmetic product. The information contained in this document is based on data considered accurate at the time of preparation. PuriPharm makes no warranty, express or implied, regarding the completeness or accuracy of this information.
Users should conduct their own testing to determine suitability for their specific applications. For full safety data, please request the Safety Data Sheet (SDS).
14. COMPANY INFORMATION
PuriPharm Co. Ltd.
Website: www.PuriActives.com
Email: Service@puripharm.com
Headquarters: Huzhou, China
Marketing Center: Shanghai, China
