Microcrystalline Wax
Refined petroleum wax with small crystals. Binds oils, boosts plasticity and durability of color cosmetics, forms a thin occlusive film.
Supporting ingredient
It gives a product its texture, stability or shelf life. It has no claimed effect on the skin, so an efficacy tier does not apply. What is known about its safety is below
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Oily, Combination, Sensitive
About this ingredient
Microcrystalline Wax is a petroleum-derived wax from heavy petroleum fractions. Differs from paraffin by smaller, tightly packed crystals and higher plasticity. Mechanism. A structurant and occlusive – forms a dense film on skin and hair, retains moisture. Thickens anhydrous systems (lipsticks, balms). Binds oils better than paraffin, prevents sweating. Where applied. Lipsticks, lip balms, stick deodorants, hair styling products, wax masks. Concentration 1–30%. Evidence base. No clinical RCTs required – a functional structurant. CIR confirmed safety. Safety. Hypoallergenic, non-comedogenic (0–1 comedogenicity), non-irritating. Pregnancy and lactation – topically safe.
Frequently asked questions
Is Microcrystalline Wax safe during pregnancy?
Microcrystalline Wax is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Microcrystalline Wax for?
Microcrystalline Wax suits: normal, dry, oily, combination, sensitive.
What is Microcrystalline Wax and what does it do in cosmetics?
Refined petroleum wax with small crystals.
What's the INCI name for Microcrystalline Wax?
The INCI name is Microcrystalline Wax. It may also appear as: Cera Microcristallina.
See Microcrystalline Wax in a product composition right on the store page
The Evigrade extension adds an evidence panel to iHerb, Sephora, Druni and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Similar role in the formula
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