Aluminum Caprylate is a safe, synthetic thickener and stabilizer that helps maintain product texture but offers no direct skin benefit.
Irritation
low
Source
synthetic
Beauty ingredient research
Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.
20769
Reviewed ingredients
524
Low-concern standouts
2884
Need usage caution
Aluminum Caprylate is a safe, synthetic thickener and stabilizer that helps maintain product texture but offers no direct skin benefit.
Irritation
low
Source
synthetic
A safe and effective thickener and stabilizer that improves product texture and shelf life, but offers no direct skin benefit.
Irritation
low
Source
synthetic
Viscosity Controlling Agent
Hydrogenated Tallowalkonium Bentonite
A safe, effective thickener for makeup and creams, but its animal-derived origin may not suit everyone.
Irritation
low
Source
semi-synthetic
Potassium chloride is a safe, common salt used to adjust product thickness and stability, not a star active ingredient.
Irritation
low
Source
natural
Viscosity Controlling Agent
SODIUM HYDROXYPROPYLSULFONATE DECYLGLUCOSIDE CROSSPOLYMER
A modern, skin-friendly thickener that helps create smooth, non-sticky textures without the irritation of older polymers.
Irritation
low
Source
semi-synthetic
Sodium sulfate is a safe, mild salt used to thicken and stabilize formulas, but it offers no direct skin benefit.
Irritation
low
Source
synthetic
A safe, clay-based thickener that helps keep formulas smooth and stable, but may feel heavy on very oily skin.
Irritation
low
Source
semi-synthetic