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Pentyl Labs
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Articles

heavy metals testing in cosmetics using ICP-MS laboratory analysis
18Feb
Pentyl Labs
JR Reynolds
Laboratory Director

Heavy Metals in Cosmetics: What Are

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closed cup vs open cup flash point testing comparison showing ASTM D93 and ASTM D92 methods
11Feb
Pentyl Labs
JR Reynolds
Laboratory Director

Closed Cup vs Open Cup Flash Point

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03Feb
Pentyl Labs
JR Reynolds
Laboratory Director

What Is ΔE in Stability Testing?

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camera based stability testing setup with glass vials and color reference chart under controlled lighting
27Jan
Pentyl Labs
JR Reynolds
Laboratory Director

Camera-Based Stability Testing: Bri

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Cosmetic claims testing laboratory supporting FTC-compliant cosmetic claim substantiation
20Jan
Pentyl Labs
JR Reynolds
Laboratory Director

Cosmetic Claims Testing: Scientific

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authenticity testing
23Nov
Pentyl Labs
JR Reynolds
Laboratory Director

⭐ Authenticity Testing

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ASTM D93 flash point testing equipment
17Nov
Pentyl Labs
JR Reynolds
Laboratory Director

Flash Point Testing Importance | Pr

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ASTM D93 flash point testing equipment
05Nov
Pentyl Labs
JR Reynolds
Laboratory Director

Flash Point Test Methods: ASTM D93

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USP 51 antimicrobial effectiveness testing PET
04Nov
Pentyl Labs
JR Reynolds
Laboratory Director

What is Preservative Efficacy Testi

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Independent cosmetic testing laboratory specializing in chemical, microbiological, stability, and compliance testing for safe, market-ready products.

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