Modern skincare has evolved far beyond simple cleansing and moisturizing. Today’s consumers want visible results, faster performance, and scientifically proven actives that transform the skin without compromising safety. At the center of this transformation lies one of the most powerful categories in cosmetic science – hydroxy acids.
This masterclass is designed to take you deep into the science, formulation chemistry, and real-world application of Alpha Hydroxy Acids (AHAs), Beta Hydroxy Acids (BHAs), and Polyhydroxy Acids (PHAs). These ingredients are not just exfoliants; they are cell-renewal accelerators, texture-refining agents, melanin-modulating actives, and key components in clinical-grade and professional skincare.
AHAs, BHAs and PHAs each interact with the skin differently – penetration depth, molecular size, keratolytic effect, and barrier interaction all vary across this group of acids. Understanding these differences is what separates a beginner formulator from a confident cosmetic chemist.
In this eBook, you will move beyond surface-level definitions into the biochemistry of exfoliation, the mechanisms of desquamation, and the role of pH, concentration, and buffering systems in creating safe yet effective hydroxy acid formulations. You will learn how these acids modulate cell-to-cell cohesion, influence epidermal turnover, improve pigment irregularities, and enhance the absorption of other actives.
You will also explore the realities of formulation challenges (instability, irritation, pH conflicts, solubility concerns, ingredient incompatibilities) and how to solve them using professional formulation strategies, synergistic ingredient pairing, and step-by-step formulation frameworks.
This Masterclass is intentionally crafted for:
By the end of this masterclass, you will not only understand how to use AHAs, BHAs, and PHAs-you will be able to formulate with confidence, predict how they behave in a formula, and create results-driven exfoliating products that meet global skincare standards
MODULE 1
MODULE 2
MODULE 3
MODULE 4
MODULE 5
MODULE 6
How to avoid irritation and over exfoliation
MODULE 7
MODULE 8
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Our Ebooks cover everything from basic skincare formulation to advanced cosmetic science, including emulsions, soaps, serums, and more.
Learn soap making. Understanding Surfactants & Soap Ingredients .
Module 1 – Module 12
Purpliish Beauty Academy was founded with a passion for science-backed skincare formulation and a mission to empower individuals with the knowledge to create effective, high-performance skincare products.
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