What it does
- Supports a balanced, healthy-looking skin microbiome.
- A gentle prebiotic that nourishes beneficial skin flora.
- Well tolerated and easy to formulate.
How it works
Inulin is a fructan (a chain of fructose units) widely documented as a prebiotic that selectively supports beneficial skin bacteria. It is popular in microbiome-friendly positioning, often alongside soothing and barrier actives.
Use level
- Typical use level
- typically 0.5–5%
Commonly used at 0.5–5%; often combined with soothing and barrier ingredients for microbiome-friendly products.
Formulation considerations
- Water-soluble; add to the water phase.
- Gentle and broadly compatible.
- Pairs well with soothing and barrier actives.
What it pairs with & what to avoid
Pairs well with
- Beta-glucan, oat (soothing/microbiome)
- Barrier and hydration actives
Use with care / avoid
- No notable incompatibilities
Regulatory status
Inulin is listed in the EU CosIng database and is a well-established cosmetic ingredient.
Common questions
What does inulin do for skin?
It is a prebiotic that supports a balanced skin microbiome by nourishing beneficial skin bacteria.
What percentage of inulin is used?
Commonly 0.5–5%.
Is inulin good for sensitive skin?
It is gentle and popular in microbiome-friendly, sensitive-skin positioning.