What Is Sodium Lauroyl Glycine Propionate?
Sodium Lauroyl Glycine Propionate is a mild surfactant whose full chemical name is Sodium N-carboxymethyldodecanamidopropanoate. It is made by joining lauric acid, an oily fatty acid usually sourced from coconut or sustainable palm, with the amino acid glycine and a small propionate group. The mixture is then neutralized with a little sodium hydroxide so it becomes water-soluble and easy to use in liquid formulas.
The ingredient first appeared in the early 2000s when formulators were looking for gentler cleansing agents that could match skin’s natural pH. Because it cleans without stripping, it soon found a place in rinse-off products aimed at sensitive or dry skin.
Today you are most likely to see Sodium Lauroyl Glycine Propionate in facial cleansers, micellar waters, body washes, baby shampoos, mild exfoliating masks and even some moisturizing creams that need a light foaming effect for quick rinse.
Sodium Lauroyl Glycine Propionate’s Cosmetic Benefits/Uses
This ingredient is mainly valued for the way it cleanses while staying kind to skin.
- Cleansing: Lifts away dirt, makeup and excess oil without upsetting the skin barrier which helps skin feel soft instead of tight after rinsing
Who Can Use Sodium Lauroyl Glycine Propionate
Sodium Lauroyl Glycine Propionate is gentle enough for most skin types, including dry, normal, oily, combination and sensitive skin. Since it has a skin friendly pH and does not strip the natural barrier, even people with easily irritated skin usually do well with it. There are no known reasons for acne prone or mature skin to avoid it.
The ingredient is made from plant sourced fatty acids, glycine and a mineral salt, so it is suitable for vegans and vegetarians. No animal by products are used in its manufacture.
Current research shows no links between topical use of this surfactant and risks during pregnancy or breastfeeding. Still, this is not medical advice and anyone who is pregnant or nursing should check with a healthcare professional before adding new skincare items.
Sodium Lauroyl Glycine Propionate does not make skin more sensitive to sunlight, so it is not considered a photosensitizer. Normal daytime SPF habits are still recommended as part of a good routine.
Potential Side Effects/Adverse Reactions
Side effects and reactions to topical Sodium Lauroyl Glycine Propionate can vary from person to person. The following list covers potential issues, but most users will not experience them when the ingredient is used correctly in a finished product.
- Mild stinging or redness in very sensitive skin
- Temporary dryness if used in a formula with a high surfactant load
- Eye irritation if product accidentally gets into the eyes
- Allergic contact dermatitis in the rare case of individual allergy
If you notice any of these reactions while using a product that contains Sodium Lauroyl Glycine Propionate, stop using it and consult a healthcare professional if symptoms do not improve.
Comedogenic Rating
Rating: 0 / 5
Sodium Lauroyl Glycine Propionate is water soluble, rinses off easily and does not leave an oily film that could trap dead skin cells or sebum in pores. Its molecular structure is designed for cleansing rather than depositing residue, which is why it earns a solid zero on the comedogenic scale.
Because of this rating the ingredient is generally suitable for people who are prone to acne or frequent breakouts.
Since it is almost always used in wash-off formulas, contact time with skin is short, further reducing any clogging risk.
Summary
Sodium Lauroyl Glycine Propionate is a gentle surfactant that lifts away dirt oil and makeup while respecting the skin barrier and natural pH. It works by surrounding grime with tiny micelles that rinse off with water leaving skin comfortable instead of tight.
Though not as common as classic sulfates or newer amino acid cleansers like sodium cocoyl isethionate, it has carved out a steady spot in mild facial washes baby care and sensitive skin products thanks to its low irritation profile.
Current safety data shows it is well tolerated with low risk of sensitization or pore clogging. As with any new cosmetic ingredient it is wise to patch test a product before full use to be on the safe side.