Ingredient Snapshot
- Overview
- A gentle acid that exfoliates while drawing in moisture for glow.
- Category
- Exfoliating, Hydration, Antioxidant, Tone/Texture, Brightening
- Type
- Exfoliant
Lactobionic Acid
Lactobionic acid is a polyhydroxy acid composed of gluconic acid linked to galactose, known for high water-binding capacity and mild keratolytic action. It refines surface texture and supports moisture retention for a smoother, brighter-looking complexion.
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Ingredient Ratings
Skin Benefits
Gently loosens dull surface buildup while drawing in water, leading to a plumper, more luminous look. Also offers antioxidant activity that can improve the appearance of uneven tone over time.
Uses In Skincare & Cosmetics
Featured in exfoliating toners, serums, and peel pads; also included in hydrating creams for sensitive-skin-friendly resurfacing.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
Low irritation relative to glycolic or lactic acid, but overuse can still cause transient stinging or dryness; patch test if sensitive. As with all exfoliants, use with daily sunscreen to minimize photosensitivity risk.
Is Lactobionic Acid a Good Ingredient?
Rated Great because this PHA has clinical support for gentle exfoliation plus strong humectancy and antioxidant activity, delivering results with lower irritation than many AHAs and good stability in water-based formulas. It's suitable for frequent use on many skin types when properly formulated, which is what earns the top rating.
Dangers / Irritation
There are really no dangers to report regarding lactobionic acid because this acid was developed as a less irritating alternative to AHAs. In fact, many people who have experienced reactions to products containing AHAs are often able to use products containing lactobionic acid without the same irritations.
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It is recommended that lactobionic acid not be combined with other types of acids unless it’s part of a pre-tested mix of acids. In pre-tested mixtures, chemists have already tested the acids to ensure they won’t cause increased skin reactions. However, if you mix lactobionic acids with other acids yourself, you face the possibility of experiencing irritation of the skin because mixing multiple acids can increase your chances of experiencing annoying skin reactions.
Another ingredient that you should refrain from using lactobionic acid with is retinol. Consumers might wrongly believe that they’re increasing their protection against aging, but the chemical reaction between these two ingredients can lead to extreme dryness, redness, and other types of irritation.
You should also only use products containing lactobionic acid once a day so as not to increase the chances of irritation. Retinol can be used with the same skin routine, but just not at the same time as lactobionic acid.
Frequently Asked Questions
Find answers to some of the most frequently asked questions about lactobionic acid.
Products with Lactobionic Acid
