Ingredient
Mica
Mica is clear in all six profiles Truva checks: pregnancy, breastfeeding, postpartum, trying to conceive, PCOS and general use. It is one of the ingredients this catalogue most often suggests in place of something flagged.
- CI 77019
- Muscovite
- Potassium Aluminum Silicate
Verdict by profile
Truva checks every ingredient against six profiles. Jump to any of them for the full assessment.
- Profiles clear
- 6 of 6
- Published because the flagged pages recommend it
- Irritancy
- 0 of 5
- Higher means more likely to sting or redden
Mica and pregnancy
Safe to Use
Mica is a naturally occurring mineral used primarily for its light-reflecting and color properties in makeup products. It provides shimmer, glow, and pearlescence while also improving product texture and application. Mica particles sit on the skin surface and do not penetrate into deeper skin layers. There are no safety concerns with mica use during pregnancy. As an inert mineral that does not absorb into the skin or bloodstream, mica has no systemic effects and cannot affect fetal development. Studies have confirmed no teratogenic effects, hormone disruption, or adverse pregnancy outcomes associated with topical mica use. Dermatologists and obstetricians have no warnings or restrictions regarding mica use during pregnancy. The ingredient can be safely used in makeup and skincare products throughout all trimesters. ACOG does not list mica as a substance of concern for pregnant women.
Mica and breastfeeding
Safe to Use
Mica is completely safe for use while breastfeeding. As a mineral that remains on the skin surface without any absorption, it cannot transfer to breast milk or affect milk production. The particle size and inert nature of mica prevent any systemic distribution. There are no concerns about infant exposure even if makeup containing mica is worn on areas that may come into contact with a breastfed baby. Mica is non-toxic and would not cause harm even if trace amounts were inadvertently transferred during skin-to-skin contact. Dermatologists and lactation consultants have no restrictions on mica use during breastfeeding. Breastfeeding mothers can safely use all makeup and skincare products containing mica without any concerns for their health or their infant's health.
Mica and postpartum
Safe to Use
Mica is safe and appropriate for postpartum use. It can be particularly beneficial in makeup products for adding radiance and helping to brighten tired-looking postpartum skin. The light-reflecting properties of mica can create a healthy glow without any skin irritation. There are no concerns or considerations specific to postpartum use of mica. The ingredient is gentle, non-irritating, and suitable for use during the recovery period regardless of skin sensitivity or other postpartum changes.
Mica and trying to conceive
Safe to Use
Mica is completely safe to use when trying to conceive. As an inert mineral with no systemic absorption, it has no effects on fertility, hormone balance, or reproductive function. There are no preconception concerns associated with mica use. Women can continue using all makeup and skincare products containing mica throughout their conception journey without any need for discontinuation or concern. The ingredient is equally safe before, during, and after pregnancy.
Mica and PCOS
Safe to Use
Mica is safe for individuals with PCOS. It has no hormonal activity and does not affect androgen levels, insulin sensitivity, or any metabolic pathways relevant to PCOS management. As an inert mineral colorant, it has no biological effects beyond its cosmetic function. While mica has a very low comedogenicity rating (1/5), it is generally well-tolerated even by those with acne-prone skin associated with PCOS. When formulated properly in cosmetic products, mica does not typically cause breakouts or exacerbate PCOS-related skin concerns. Dermatologists treating PCOS patients have no restrictions on mica use. The ingredient is commonly found in makeup products and is considered safe and appropriate for those managing PCOS-related skin concerns, including acne and oiliness.
Mica and general use
Safe to Use
Mica is one of the most commonly used minerals in cosmetics, prized for its ability to add shimmer, luminosity, and light-reflecting properties to makeup and skincare products. It occurs naturally as thin, plate-like crystals that reflect light and create a pearlescent or glowing effect. Mica is used in everything from eyeshadows and highlighters to foundations and body products. The safety profile of mica for topical cosmetic use is excellent. The CIR Expert Panel has extensively reviewed mica and concluded it is safe as used in cosmetics. It does not penetrate skin, is non-irritating, non-sensitizing, and shows no evidence of toxicity. Allergic reactions are extremely rare. The only health concern relates to inhalation of mica dust in occupational mining or manufacturing settings, which does not apply to consumer cosmetic use. Mica is approved for use as a color additive by the FDA and is permitted in cosmetics by regulatory bodies worldwide without restrictions. It is considered a very low concern ingredient by ECHA. While mica has a comedogenicity rating of 1 (very low), it is generally well-tolerated by all skin types when used in properly formulated products.
Related ingredients
Mica is itself suggested as the safer option on these pages.
Where this came from
Truva summarises published guidance from bodies including ACOG, the FDA, the EU SCCS and the Cosmetic Ingredient Review. It has no access to your medical history and it is not a substitute for your doctor, dermatologist or midwife. These assessments have not been reviewed by a clinician, and nothing here is a diagnosis or a prescription. If you are pregnant, breastfeeding or being treated for PCOS, take the ingredient list to the person looking after you.
Assessment last pulled from the ingredient database on .
One ingredient is the easy case.
A label has thirty of them. Truva reads the whole list at once and answers for the profile you set: pregnancy, breastfeeding, postpartum, trying to conceive, PCOS, or general use.
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