Cocamidopropyl Betaine

Cocamidopropyl betaine is an amphoteric surfactant from coconut sources, widely used in personal care formulas. It's chosen for rich lather, viscosity boosting, and moderating harshness when blended with other detergents.
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Ingredient Snapshot

Overview
A coconut-derived cleanser that creates gentle, creamy foam.
Category
Cleansing
Type
Surfactant

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Provides a gentle cleanse that feels less drying while creating a creamy, cushiony foam. Helps leave skin and hair comfortable after washing.

Uses In Skincare & Cosmetics

Common in facial cleansers, body washes, and shampoos, often as a secondary surfactant to soften the cleanse. Also used in hand soaps and bubble baths to improve foam feel.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Generally well tolerated in rinse‑off use, but it can cause irritation or allergy in a small subset of people, often related to residual impurities (e.g., amidoamine/DMAPA). Avoid eye contact and discontinue if stinging or redness occurs.

Is Cocamidopropyl Betaine a Good Ingredient?

Reliable secondary surfactant that boosts foam and reduces harshness when blended with anionics, supporting a milder cleanse at typical use levels. It performs reliably enough for a Good rating, though it doesn't quite reach Great.

Cocamidopropyl Betaine vs. Coco Betaine

When reading about cocamidopropyl betaine you’ll likely also see it referred to as coco betaine. These two ingredients are very similar but not exactly the same.

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Both ingredients are surfactants and they are used in similar applications as noted above. However, coco betaine is manufactured without any synthetics so it can be found in organic product formulations. On the other hand, cocamidopropyl betaine always uses a synthetic process to join coco and betaine (both of which are natural).

Coco betaine isn’t as common as cocamidopropyl betaine but it still can be found, especially in organic and natural formulations. Funny enough, coco betaine has a higher chance of irritating the skin. This is one of many cases where natural isn’t always better.

Is Cocamidopropyl Betaine Vegan?

Yes. Cocamidopropyl betaine is completely vegan since it’s derived from plant-based betaine as well as coconut oil. However, since it’s a relatively common ingredient in skin care and hair care products, it’s present in many non-vegan formulations.

When shopping, make sure to refer to the ingredients list and check with the manufacturer to ensure that a particular product does not contain any animal-derived products.

Concerns

study done in 2012 found that high-grade Cocamidopropyl betaine did not cause allergic reactions. Instead, two impurities called amino amide and 3-dimethylaminopropylamine were the cause of allergic reactions. In other words, it’s the ingredient itself that posed the concern but rather a low-quality source that led to allergic reactions.

High-grade Cocamidopropyl betaine products free of these impurities may be safe to use, but you should still take care when using any product containing this ingredient.

Also pay closer attention to generic and lower priced products that contain this ingredient. When lower quality sources of this ingredient are used it may lead to issues.

Also Known As

Cocamidopropyl betaine for skin is also sometimes referred to by a few other terms. This includes CAPB, 1-propanaminium, hydroxide inner salt. In cleaning products, it’s also sometimes called Cocamidopropyl dimethyl glycine, disodium cocoamphodipropionate, or CADG.