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N-Acetyl-L-Cysteine Powder
1. Other Name：NAC
2. Specification：98%
3. Appearance：White powder
4. CAS NO.：616-91-1
5. Place of Origin：Shannxi
6. Certificate：ISO9001 HACCP KOSHER HALA ORGANIC
7. Package：25kg/drum, 1kg/Aluminum bag, or customized.
8. Shelf life：24 Months
9.Function：Skin brightening, antioxidant, barrier support (topical)
Description
Product Description
Products Description
N-Acetyl-L-Cysteine Powder has moved beyond its long-standing role as a dietary supplement ingredient into a distinct application in topical skincare formulation. As an amino acid derivative with documented tyrosinase-inhibiting activity, it has become a raw material of interest for brightening and pigmentation-focused formulas - a mechanism first described in cosmetic patent literature and now increasingly referenced in modern skincare formulation research, alongside its established antioxidant and barrier-support properties.
Sheerherb supplies N-Acetyl-L-Cysteine Powder specifically sourced and documented for cosmetic formulation use, with purity and identity verified by HPLC on every batch. We work with skincare formulators, cosmetic manufacturers, and beauty-brand OEM/ODM partners sourcing this ingredient for brightening serums, antioxidant treatments, and barrier-focused skincare lines - a different application path from the dietary-supplement NAC raw material category.
Products Specifications
| Item | Detail |
|---|---|
| INCI-Relevant Name | N-Acetyl Cysteine |
| Appearance | White to off-white crystalline powder |
| Assay | 99% (customizable) |
| Test Method | HPLC |
| CAS No. | 616-91-1 |
| Molecular Formula | C₅H₉NO₃S |
| Solubility | Freely soluble in water; suited to aqueous-phase formulation |
| Recommended Use Level | 0.5%–5%, depending on formulation target (formulator-dependent) |
| pH Stability Range | Best formulated at slightly acidic to neutral pH |
| Heavy Metals / Microbial Limits | Meets standard international cosmetic-grade limits |
| Shelf Life | 24 months when stored properly |
| Storage | Cool, dry place, protected from moisture, heat, and direct light |
| Certification | ISO 9001, ISO 22000, GMP, COSMOS-compatible sourcing available |
Custom purity levels and particle sizes can be arranged for specific formulation needs - request a sample before confirming your order.
Product Benefits
N-Acetyl-L-Cysteine Powder is valued in cosmetic formulation mainly for its dual antioxidant and tyrosinase-modulating activity, which underpins most of its functional positioning:
1. Skin Brightening & Pigmentation-Focused Formulations
Its documented ability to inhibit tyrosinase - the enzyme central to melanin production - makes it a raw material of interest for formulas targeting uneven tone, dark spots, and hyperpigmentation.
2. Topical Antioxidant Protection
As a glutathione precursor at the cellular level, it supports formulas aimed at protecting skin from oxidative stress and environmental damage.
3. Skin Barrier & Texture Support
Its amino acid structure supports inclusion in barrier-focused formulas targeting hydration, smoothness, and overall skin texture.
4. Complementary to Established Brightening Actives
Its mechanism differs from common brightening ingredients like vitamin C or niacinamide, making it a useful complementary active in multi-ingredient brightening formulations.
Products application
Brightening Serums & Treatments
Water-soluble form and documented tyrosinase-inhibiting activity support inclusion in serums and spot-treatment formulas targeting hyperpigmentation.
Antioxidant Skincare Formulations
Its role in cellular antioxidant defense supports formulation in daily-use creams, essences, and treatment products targeting environmental protection.
Barrier-Repair & Sensitive Skin Products
Its amino acid profile and generally well-tolerated safety profile support inclusion in gentle, barrier-focused formulations.
FAQ
Q: What specifications do you offer for cosmetic formulation orders?
A: 99% purity, tested by HPLC, sourced and documented for topical/cosmetic use. Specs can be adjusted to your formulation target, with COA, MSDS, and microbiological reports provided per batch.
Q: What is your MOQ for wholesale orders?
A: MOQ typically starts from 1kg for trial/formulation-testing quantities, up to 25kg drums for commercial orders. Flexible terms available for long-term partnerships.
Q: How do you ensure quality and stability during shipping?
A: Controlled synthesis and purification, packed in moisture-resistant, cosmetic-grade packaging to prevent degradation. Recommend storing in a cool, dry place away from light and heat.
Q: How do you ensure batch-to-batch consistency?
A: Every batch is tested for purity, moisture, and microbial limits before release, with full documentation provided for traceability.
Q: Do you support OEM/private label cosmetic formulation projects?
A: Yes - including formulation guidance for brightening and antioxidant blends with niacinamide or vitamin C. Our team can advise on compatibility and inclusion rates for qualifying volumes.
Why Choose Sheerherb
Sheerherb supplies N-Acetyl-L-Cysteine Powder for cosmetic formulation use and holds ISO 9001, ISO 22000, and GMP certification, with COSMOS-compatible sourcing available on request. As a supplier serving skincare formulators and beauty brands worldwide, we keep pricing competitive without compromising on purity - no unlisted additives, no shortcuts on testing.
We operate our own production facility and R&D team, which means formulation questions, custom specifications, and sample requests are handled in-house rather than passed through a third party - giving you faster turnaround and more control over the final spec.
If you're comparing N-Acetyl-L-Cysteine Powder wholesale prices for cosmetic formulation, or need a supplier for OEM/private label skincare production, contact chriswang@sheerherb.com for current pricing, COA samples, and a formal quote.
Packaging
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