Creating stable skincare and cosmetic formulations starts with a deep understanding of how ingredients interact with one another. Each ingredient must be carefully selected and combined to ensure they work harmoniously—not only when the product is freshly made, but throughout its entire shelf life. Formulation stability plays a crucial role in maintaining product efficacy and safety, while also preserving texture, color, and fragrance. That’s why stability testing is an essential step in product development, ensuring formulations can withstand temperature changes, light exposure, and packaging interactions.
The Foundation of Stable Skincare and Cosmetic Formulations
Stability testing is a critical part of product development, helping ensure that skincare and cosmetic products maintain consistent quality under various conditions, including temperature fluctuations and light exposure. Through proper testing, formulators can ensure that texture, color, and fragrance remain stable over time—while active ingredients stay effective. Combining accurate pH control with comprehensive stability testing enables the creation of products that are not only innovative, but also reliable and trusted by consumers.
Why pH Matters in Cosmetic Formulation
pH control is a key factor in determining both the stability and performance of skincare and makeup products. pH measures how acidic or alkaline a substance is, and it plays an important role in making sure a product is compatible with the skin’s natural pH, which typically ranges from 4.5 to 5.7. Maintaining this balance helps protect the skin barrier, reduce irritation, and maximize the effectiveness of active ingredients.
Products with an unsuitable pH can disrupt the skin’s lipid barrier, leading to dryness, redness, or irritation. On the other hand, precise pH adjustment helps stabilize pH-sensitive actives such as vitamin C and glycolic acid, extends shelf life, and ensures consistent product performance. Proper pH control is therefore not just about safety—it also enhances the overall user experience.
Introducing TRIS AMINO™ ULTRA PC
TRIS AMINO™ ULTRA PC (2-amino-2-hydroxymethyl-1,3-propanediol) is a multifunctional amino alcohol additive designed for personal care applications. It works as a neutralizer, buffer, and stabilizer—delivering fast, effective, and efficient neutralization. Compared to TEA and inorganic neutralizers, skincare products formulated with TRIS AMINO™ ULTRA PC show noticeably better stability, improved emulsion quality, and enhanced overall aesthetics.
Picture 1. Structure of TRIS AMINO™ ULTRA PC compared to other amino alcohols
Functions and Benefits
Here are some of the key advantages of TRIS AMINO™ ULTRA PC compared to similar ingredients:
- Fast and efficient neutralization
- Low odor, low color, and no yellowing in formulations
- Primary amine with a fully substituted α-carbon; no hydrogen present
- Secondary amine below 0.5% and nitrosamine below 50 ppm, meeting global regulatory standards
- Gentle and non-irritating; suitable for hypoallergenic products
- Improves emulsion stability
- Compatible with a wide range of ingredients
- Helps release fragrance and reduce unwanted odors
Applications in Cosmetic Formulations
Thanks to its primary amine functionality, water and alcohol solubility, and mild profile, TRIS AMINO™ ULTRA PC is ideal as a buffer, solvent, or neutralizer in a wide range of formulations, including:
- Antiperspirants and deodorants
- Facial cleansers
- Foundations
- Hand and body care products
- Primers, BB creams, and CC creams
- Shaving products
- Sun protection products
TRIS AMINO ULTRA PC Efficacy Test
Improved Emulsion Stability
Picture 2. Formulation stability before (left) and after (right) 4 weeks at 45°C
Non-Yellowing Formulation
Picture 3. Minimal yellowing of formulation with TRIS Amino Ultra PC
TRIS AMINO™ ULTRA PC Supplier in Indonesia
Maha is the official distributor of TRIS AMINO™ ULTRA PC in Indonesia, providing high-performance solutions for the skincare and cosmetics industry. With TRIS AMINO™ ULTRA PC, your formulations can achieve optimal stability and effectiveness. Contact us now for more information and gret FREE Sample!