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Tinosorb S (BEMT)
Tinosorb S (BEMT)
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Tinosorb S (BEMT) — Broad-Spectrum UV Filter for Sunscreen Formulations
Tinosorb S, chemically known as BEMT (Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine), is one of the most advanced and photostable broad-spectrum UV filters available for cosmetic sunscreen formulations. It provides exceptional protection against both UVA and UVB radiation, making it a preferred choice for professional formulators developing high-performance sun care products.
Unlike older UV filters that degrade under sunlight, Tinosorb S is highly photostable and also acts as a photostabilizer for other UV filters in the formula, improving the overall SPF performance of your sunscreen.
📋 Product Snapshot
| INCI Name | Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine |
| Common Name | Tinosorb S / BEMT |
| UV Protection | Broad-spectrum UVA + UVB (290–400 nm) |
| Appearance | Yellow to amber fine powder or granules |
| Solubility | Oil-soluble. Add to oil phase. |
| Recommended Usage | 1% – 10% (max 10% per EU regulations) |
| Phase | Oil phase (heat to dissolve, typically 70–80°C) |
| Photostability | Excellent — also stabilizes other UV filters |
| Storage | Cool, dry, dark place. Below 25°C. |
| Shelf Life | 24 months in sealed container |
| Grade | Cosmetic Grade |
✨ Key Benefits
- Broad-spectrum UVA + UVB protection in a single filter
- Highly photostable — does not degrade under prolonged sun exposure
- Acts as a photostabilizer for other UV filters (e.g., Avobenzone)
- Boosts overall SPF and PPD (UVA protection factor) of formulations
- Excellent skin feel — no white cast, lightweight texture
- Compatible with most cosmetic emulsifiers and oil-phase ingredients
- Suitable for water-resistant sunscreen formulations
💡 Recommended Applications
- SPF sunscreen creams and lotions
- Daily moisturizers with SPF
- Tinted sunscreens and BB creams
- After-sun and sport sunscreen formulations
- Lip balms with UV protection
- Hair care products with UV protection
📏 How to Use in Formulations
Add Tinosorb S to the oil phase of your emulsion. Heat to 70–80°C to fully dissolve before combining with the water phase. Recommended usage: 3–5% for broad-spectrum protection.
Example SPF 30 Sunscreen Formula:
- Emulsifier (e.g., Emulsifying Wax) — 5%
- Cetyl Alcohol — 2%
- Caprylic/Capric Triglyceride — 10%
- Tinosorb S (BEMT) — 4%
- Zinc Oxide (uncoated) — 5%
- Distilled Water — q.s. to 100%
- Glycerin — 3%
- Preservative — 0.5–1%
❓ Frequently Asked Questions
Q: What is the difference between Tinosorb S and Tinosorb M?
A: Tinosorb S (BEMT) is oil-soluble and works as a chemical UV filter. Tinosorb M is a micronized particle that works as both a chemical and physical filter. Both provide broad-spectrum protection but are used differently in formulations.
Q: Can Tinosorb S replace Avobenzone?
A: Yes — Tinosorb S provides excellent UVA coverage and is more photostable than Avobenzone. It can be used alone or in combination with other UV filters to boost SPF and UVA protection.
Q: Is it safe for sensitive skin?
A: Tinosorb S has a good safety profile and is approved for use in the EU, Australia, and many other markets. It is generally well-tolerated.
Q: What is the maximum usage level?
A: Up to 10% as per EU Cosmetics Regulation. Typical effective usage is 3–5%.
Q: Is COA available?
A: COA available upon request.
Available in 50g, 100g, 250g, 500g, and 1kg. Order now for fast nationwide delivery across Pakistan.
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