Ingredient review

Hydrolyzed Palm Sophorolipids

INCI: Hydrolyzed Palm Sophorolipids

A mild, biodegradable surfactant that cleanses without stripping the skin, making it a great choice for sensitive or dry skin types.

beautyskincaresurfactant

In plain English

Hydrolyzed palm sophorolipids are a type of gentle cleanser made by fermenting palm oil with a specific yeast. They work like a mild soap, lifting dirt and oil from your skin so they can be rinsed away, but they are much less likely to cause dryness or irritation than traditional detergents. Think of them as a soft, eco-friendly bubble maker that leaves your skin feeling clean and comfortable.

Review score

Safety, usefulness, and evidence

4.0Good

4.0/ 5

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: biotech
Evidence: moderate
Irritation: low
Clogging risk: low

How reviews are scored

Quick decision guide

Useful, but context matters

Hydrolyzed Palm Sophorolipids 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 Hydrolyzed Palm Sophorolipids.
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

low

Less likely to sting, burn, or bother most users, though sensitive skin can still react.

Clogging risk

low

Less likely to feel heavy or contribute to clogged pores for most skin types.

Evidence level

moderate

There is useful support, but formula details and claim strength still matter.

What it is

Hydrolyzed palm sophorolipids are a biosurfactant, meaning they are produced through fermentation (using a yeast called Starmerella bombicola) and then partially broken down (hydrolyzed) to improve their mildness and water solubility. They are derived from palm oil and sugar, making them a renewable, plant-based alternative to synthetic surfactants.

How it works

In a cosmetic product, this ingredient reduces the surface tension of water, allowing it to mix with oil and dirt on your skin. This creates a gentle lather that helps rinse away impurities without disrupting the skin's natural moisture barrier. Its large molecular structure also means it is less likely to penetrate the skin, reducing the risk of irritation.

Pros

Ultra-gentle cleansing

This ingredient cleanses effectively without stripping the skin's natural moisture barrier, making it ideal for daily use on sensitive or dry skin.

Eco-friendly profile

As a biosurfactant, it is biodegradable and produced through fermentation, reducing reliance on harsh petrochemicals and supporting a lower environmental footprint.

Cons and cautions

Palm oil sourcing concerns

Since it is derived from palm oil, the ingredient's sustainability depends on whether the palm oil is certified sustainable (RSPO). Uncertified sources can contribute to deforestation.

Lather expectations

It produces a mild, creamy lather rather than big, fluffy bubbles. Users accustomed to high-foam cleansers may find it less satisfying initially.

Best for

People with sensitive, reactive, or eczema-prone skin
Those looking for a more natural or eco-friendly cleanser

Use caution if

Individuals with a known allergy to palm oil or fermented ingredients (rare)

Usage tips

Use in a gentle cleanser or shampoo for daily washing, especially if your skin feels tight or dry after using other cleansers.

Pair with a moisturizer to maintain hydration, as this ingredient is mild but still removes some surface oils.

Safety summary

Hydrolyzed palm sophorolipids are considered very safe for topical use. They have a low irritation and comedogenic risk, making them suitable for most skin types, including sensitive skin. Allergic reactions are extremely rare.

Research notes

Research on sophorolipids as biosurfactants shows they are effective, mild cleansers with antimicrobial properties. Studies indicate they are less irritating than traditional surfactants like sodium lauryl sulfate and are readily biodegradable. However, human clinical data specific to hydrolyzed palm sophorolipids in skincare is still limited.

Common label clues

Typical concentration: 1% to 10%
Regulatory status: Approved for use in cosmetics globally, including by the EU CosIng database and the US FDA (as a generally recognized safe ingredient). No specific restrictions apply.
Common uses: Cleansers, Shampoos, Body washes, Facial washes
Environmental note: While the ingredient itself is biodegradable, its environmental impact depends on the sustainability of the palm oil supply chain. Look for products with RSPO-certified palm oil to ensure responsible sourcing.

Good to know

This ingredient is often listed as 'Hydrolyzed Palm Sophorolipids' on labels, but you may also see it simply as 'Sophorolipids'.
It is considered a 'green' surfactant and is commonly used in natural and organic skincare lines.

Common questions

What is Hydrolyzed Palm Sophorolipids in beauty products?

What does Hydrolyzed Palm Sophorolipids do in a beauty product?

Is Hydrolyzed Palm Sophorolipids safe for most people?

Who should be careful with Hydrolyzed Palm Sophorolipids?

Individuals with a known allergy to palm oil or fermented ingredients (rare)

Research sources

CosIng - European CommissionOpen PubMed - Sophorolipids as biosurfactantsOpen RSPO - Roundtable on Sustainable Palm OilOpen

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.