Sodium Cocoyl Hydrolyzed Collagen: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 30, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Sodium Cocoyl Hydrolyzed Collagen?

Sodium Cocoyl Hydrolyzed Collagen is a gentle surfactant made by joining fatty acids from coconut oil with small fragments of collagen protein, then neutralizing the mix with sodium. Chemically it belongs to a group called acid chlorides, coco, reaction products with protein hydrolyzates, sodium salts. The coconut portion provides cleansing power while the hydrolyzed collagen adds a touch of protein that can bind water and smooth the surface of skin and hair.

Collagen-based surfactants first appeared in Japanese and European personal care labs in the late 1980s when formulators looked for alternatives to harsher sulfates. By tweaking the length of the coconut fatty acid chain and controlling how finely the collagen is broken down, chemists created an ingredient that cleans without stripping natural oils.

The manufacturing process starts with coconut fatty acid converted to its acid chloride form. This reacts with hydrolyzed collagen peptides under controlled pH and temperature. Finally the mixture is neutralized with sodium hydroxide, filtered, then spray-dried or kept in liquid concentrate.

You will spot Sodium Cocoyl Hydrolyzed Collagen in sulfate-free shampoos, micellar facial cleansers, foaming body washes, leave-in conditioners, sheet masks, anti-aging creams, bath gels and even baby cleansers where mildness is critical.

Sodium Cocoyl Hydrolyzed Collagen’s Cosmetic Benefits/Uses

This multitasking ingredient earns its place in formulas thanks to the following roles

  • Antistatic – helps reduce the electrical charge that makes hair strands repel each other so hair looks smoother and is easier to comb
  • Hair Conditioning – forms a light film along the cuticle that boosts softness shine and manageability without heavy buildup
  • Skin Conditioning – the collagen peptides attract and hold water giving skin a hydrated plump feel while leaving a silky finish
  • Cleansing – the coconut-derived surfactant portion lifts away dirt oil and makeup yet maintains the skin’s natural barrier making it ideal for sensitive users

Who Can Use Sodium Cocoyl Hydrolyzed Collagen

Most skin types tolerate this ingredient well. Its mild nature suits dry sensitive or mature skin that needs extra moisture while still cleaning gently. Oily and combination skin can also use it because it rinses clean without leaving a greasy feel. The only group that may need caution is anyone with a known allergy to coconut derivatives or animal proteins since the collagen part could trigger a reaction.

Because the collagen usually comes from fish or bovine sources Sodium Cocoyl Hydrolyzed Collagen is not considered vegan or vegetarian friendly. Shoppers who follow plant based lifestyles should look for formulas that clearly state they use a synthetic or plant sourced alternative if available.

Current data shows no specific risks for women who are pregnant or breastfeeding when this ingredient is used topically in rinse off or leave on products. Still this is not medical advice and anyone expecting or nursing should run any skincare or hair care choice past a doctor just to be safe.

The ingredient does not make skin more sensitive to sunlight and there are no known interactions with common actives like vitamins retinoids or acids. It also plays nicely with hair color and chemical treatments.

Potential Side Effects/Adverse Reactions

Reactions to topical Sodium Cocoyl Hydrolyzed Collagen differ from person to person. The points below outline potential issues that could occur although most users will not notice any problems when the ingredient is used correctly in a finished product.

  • Mild skin redness or itching in those allergic to coconut or animal proteins
  • Eye stinging if a high foaming formula gets into the eyes
  • Scalp tightness or flaking if used in a very concentrated shampoo on a sensitive scalp
  • Build up and dullness on fine hair when paired with heavy conditioners

If any irritation or discomfort develops stop using the product and speak with a healthcare professional or dermatologist for guidance.

Comedogenic Rating

Rating: 1/5

Sodium Cocoyl Hydrolyzed Collagen is highly water-soluble and designed to rinse away rather than sit on skin. The collagen fragments form an ultrathin, breathable film that does not block pores while the coconut-derived surfactant lifts away oil and debris. Because it leaves minimal residue its likelihood of triggering comedones is very low, hence the rating of 1.

That makes the ingredient generally suitable for people prone to acne or breakouts. As always overall formula design, concentration and the other ingredients in a product will influence how pore-friendly the final cleanser or lotion is.

Summary

Sodium Cocoyl Hydrolyzed Collagen cleanses, conditions skin and hair, controls static and provides a light moisture boost. The coconut fatty acids attract dirt and oil so they rinse off easily, while the hydrolyzed collagen pieces bind water, smooth cuticles and leave a soft finish.

Although it is not as famous as sulfate surfactants or trendy plant cleansers, it shows up in a growing number of sulfate-free shampoos, gentle face washes and baby products because formulators appreciate its mildness and silky after-feel.

Safety data and decades of cosmetic use point to a low irritation profile for most people. Still everyone’s skin is unique so patch testing any new product that contains Sodium Cocoyl Hydrolyzed Collagen is a smart step before full use.

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