Ingredient review
Lauryl Diethylenediaminoglycine HCl
INCI: Lauryl Diethylenediaminoglycine HCl
A gentle synthetic surfactant that effectively cleanses without stripping the skin, making it a good choice for sensitive skin.
In plain English
This ingredient is a mild cleansing agent that helps remove dirt, oil, and makeup from your skin and hair. It works by lowering the surface tension of water, allowing impurities to be rinsed away easily. Unlike harsher detergents, it is designed to be gentle and less likely to cause irritation or dryness.
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
- synthetic
- Evidence
- moderate
- Irritation
- low
- Clogging risk
- low
Quick decision guide
Useful, but context matters
Lauryl Diethylenediaminoglycine HCl 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 Lauryl Diethylenediaminoglycine HCl.
- 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
Lauryl Diethylenediaminoglycine HCl is a synthetic amino acid–based surfactant. It is a hydrochloride salt of a lauryl (coconut-derived) fatty acid combined with glycine, an amino acid naturally found in the skin. This structure gives it mild cleansing properties.
How it works
In a cosmetic product, this surfactant helps water mix with oils and dirt on the skin's surface. It forms tiny bubbles (micelles) that trap impurities, allowing them to be washed away without disrupting the skin's natural moisture barrier as much as traditional sulfates.
Pros
Very gentle on skin
Its amino acid structure makes it much milder than common sulfates like SLS, reducing the risk of irritation and dryness, especially for sensitive skin types.
Maintains moisture barrier
Because it cleans without stripping away too many natural oils, your skin feels softer and less tight after washing, which is ideal for dry or compromised skin.
Cons and cautions
Less effective on heavy makeup
If you wear long-wearing or waterproof makeup, you may need a double-cleansing routine or a stronger first cleanser to fully remove everything.
Synthetic origin
It is manufactured in a lab, so it may not fit into a '100% natural' skincare routine, though it is still considered safe and biodegradable.
Best for
- People with sensitive or easily irritated skin
- Those looking for a sulfate-free cleanser
- Individuals with dry or dehydrated skin who need a non-stripping wash
Use caution if
- Those who prefer exclusively natural ingredients may want to look for plant-based surfactants instead
Usage tips
Safety summary
This surfactant has a low irritation and comedogenic risk, making it safe for most skin types, including sensitive and acne-prone skin. It is not associated with significant health concerns when used in rinse-off cosmetics at typical concentrations.
Research notes
Amino acid–based surfactants like this one are well-studied for their mildness and skin compatibility. While direct studies on this specific compound are limited, the broader class is supported by dermatological research showing reduced irritation compared to traditional sulfates.
Common label clues
- Typical concentration
- 1–10% in rinse-off formulations
- Regulatory status
- Approved for use in cosmetics in the EU, US, and other major markets. Generally recognized as safe when used as directed in rinse-off products.
- Common uses
- Facial cleansers, Body washes, Shampoos, Baby care products
- Environmental note
- Lauryl Diethylenediaminoglycine HCl is biodegradable and has a low aquatic toxicity profile, making it a more eco-friendly surfactant choice.
Good to know
- This ingredient is often found in 'sulfate-free' and 'gentle' cleansers marketed for sensitive skin.
- It is biodegradable and considered environmentally friendly compared to some harsher surfactants.
Common questions
What is Lauryl Diethylenediaminoglycine HCl in beauty products?
This ingredient is a mild cleansing agent that helps remove dirt, oil, and makeup from your skin and hair. It works by lowering the surface tension of water, allowing impurities to be rinsed away easily. Unlike harsher detergents, it is designed to be gentle and less likely to cause irritation or dryness.
What does Lauryl Diethylenediaminoglycine HCl do in a beauty product?
In a cosmetic product, this surfactant helps water mix with oils and dirt on the skin's surface. It forms tiny bubbles (micelles) that trap impurities, allowing them to be washed away without disrupting the skin's natural moisture barrier as much as traditional sulfates.
Is Lauryl Diethylenediaminoglycine HCl safe for most people?
This surfactant has a low irritation and comedogenic risk, making it safe for most skin types, including sensitive and acne-prone skin. It is not associated with significant health concerns when used in rinse-off cosmetics at typical concentrations.
Who should be careful with Lauryl Diethylenediaminoglycine HCl?
Those who prefer exclusively natural ingredients may want to look for plant-based surfactants instead
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.