Ingredient review
Sodium Caproamphoacetate
INCI: Sodium Caproamphoacetate
A gentle, non-stripping cleanser that works well for sensitive or dry skin types.
In plain English
Sodium Caproamphoacetate is a mild cleansing ingredient that helps remove dirt and oil from skin and hair without causing dryness or irritation. It belongs to a class of surfactants called amphoterics, which means it can work well in both acidic and alkaline formulas, making it a versatile choice for gentle cleansers.
Review score
Safety, usefulness, and evidence
Potentially useful with some tradeoffs
The evidence base is useful, but some claims depend heavily on the formula.
Risk flags are low for most users, though the finished product can still irritate.
- Source
- semi synthetic
- Evidence
- moderate
- Irritation
- low
- Clogging risk
- low
Quick decision guide
Useful, but context matters
Sodium Caproamphoacetate is generally a lower-concern ingredient when the full formula suits your skin.
Plain-English read
Treat this as a practical screening step before you compare products that contain this ingredient.
- Step 1Start with the score, then check the irritation and clogging risk before judging Sodium Caproamphoacetate.
- Step 2Use the "Best for" and "Use caution if" sections to match the ingredient to your skin, not just to a marketing claim.
- Step 3If a product stings, breaks you out, or worsens irritation, judge the finished formula and stop using it even if the ingredient scores well.
Score terms in plain English
Irritation risk
lowLess likely to sting, burn, or bother most users, though sensitive skin can still react.
Clogging risk
lowLess likely to feel heavy or contribute to clogged pores for most skin types.
Evidence level
moderateThere is useful support, but formula details and claim strength still matter.
What it is
A semi-synthetic surfactant derived from coconut oil and amino acids, designed to clean without harshness.
How it works
It reduces the surface tension of water, allowing oils and dirt to be rinsed away. Because it is amphoteric, it remains mild even at different pH levels, and it often helps boost foam in combination with other cleansers.
Pros
Extremely mild
One of the gentlest surfactants available, suitable for sensitive skin and even baby products.
pH flexible
Works well across a wide pH range, allowing formulators to create balanced, skin-friendly cleansers.
Cons and cautions
Low foam alone
On its own, it produces a modest lather, so it is often blended with other surfactants for a richer foam.
Potential for slight drying
If used at very high levels without moisturizing ingredients, it may still cause some dryness over time.
Best for
- People with sensitive or easily irritated skin
- Those looking for a sulfate-free cleanser
Use caution if
- Individuals who prefer very high-foaming cleansers
Usage tips
Safety summary
Sodium Caproamphoacetate is considered very safe for topical use. It has a low irritation and comedogenic risk, making it suitable for sensitive skin. No significant safety concerns have been reported in cosmetic concentrations.
Research notes
Research on amphoteric surfactants like Sodium Caproamphoacetate shows they are significantly milder than traditional sulfates. Studies indicate they cause less protein denaturation and lipid extraction from skin, supporting their use in gentle cleansers.
Common label clues
- Typical concentration
- 1–10% in rinse-off products
- Regulatory status
- Approved for use in cosmetics worldwide, including by the U.S. FDA and EU CosIng database.
- Common uses
- Facial cleansers, Body washes, Shampoos, Baby care products
- Environmental note
- Derived from renewable coconut oil, but the manufacturing process involves chemical modification, so it is not fully natural.
Good to know
- Often listed near the middle or end of an ingredient list, indicating moderate concentration
- Commonly used in combination with other mild surfactants like cocamidopropyl betaine
Common questions
What is Sodium Caproamphoacetate in beauty products?
Sodium Caproamphoacetate is a mild cleansing ingredient that helps remove dirt and oil from skin and hair without causing dryness or irritation. It belongs to a class of surfactants called amphoterics, which means it can work well in both acidic and alkaline formulas, making it a versatile choice for gentle cleansers.
What does Sodium Caproamphoacetate do in a beauty product?
It reduces the surface tension of water, allowing oils and dirt to be rinsed away. Because it is amphoteric, it remains mild even at different pH levels, and it often helps boost foam in combination with other cleansers.
Is Sodium Caproamphoacetate safe for most people?
Sodium Caproamphoacetate is considered very safe for topical use. It has a low irritation and comedogenic risk, making it suitable for sensitive skin. No significant safety concerns have been reported in cosmetic concentrations.
Who should be careful with Sodium Caproamphoacetate?
Individuals who prefer very high-foaming cleansers
Research sources
Ingredient reviews are educational and are not medical advice. Patch test new products and ask a licensed clinician about persistent irritation, allergies, pregnancy-specific questions, or diagnosed skin conditions.