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Lime
AKA “Calcia, Calxyl, Gebrannter kalk, Unslaked lime, Calcium monoxide, Airlock, CALX, Calx usta”
Mineral
Ingredient Facts
Lime
AKA: Calcia, Calxyl, Gebrannter kalk, Unslaked lime, Calcium monoxide, Airlock, CALX, Calx usta
Mineral · Astringent · EWG: 4
Plant-Derived Synthetic
Fragrance
Astringent
Skin Conditioner
Mineral
Clean
Lime peel extract from Mexico helps blend oil and water-based ingredients together, creating a smooth, unified texture in your formula.
Solubility Reacts with water (NIOSH, 2024)
Formula
CaO
Mol. Weight
56.08
CAS #
5793-88-4, 8002-17-3
See origin →
Functions
Fragrance
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Astringent
Tightens and contracts skin tissue, temporarily shrinking pores and reducing oiliness. That "clean, tight" feeling after toner.
Stabilizes Emulsion
Keeps product blended
Traditional Use
Ferric oxide (iron oxide), used historically as a natural pigment in cosmetics and body decoration across numerous ancient cultures including Egypt, India, and China for millennia before synthetic production methods were developed.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Citrus Aurantifolia (Lime) Flower Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Fruit
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Fruit Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Fruit Water
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Juice
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Leaf Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Peel
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Peel Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Peel Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Peel Powder
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Peel Water
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Seed Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Seed Oil Unsaponifiables
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrogenated Lime Seed Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrogenated Lime Seed Oil Unsaponifiables
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Microcitrus australasica (finger lime) fruit extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Citrus Aurantifolia (Lime) Flower Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Citrus Aurantifolia (Lime) Fruit
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Citrus Aurantifolia (Lime) Fruit Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Citrus Aurantifolia (Lime) Juice
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Citrus Aurantifolia (Lime) Leaf Oil
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Citrus Aurantifolia (Lime) Oil
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Citrus Aurantifolia (Lime) Peel
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Citrus Aurantifolia (Lime) Peel Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Citrus Aurantifolia (Lime) Peel Oil
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Citrus Aurantifolia (Lime) Peel Water
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
From slime to sublime: the impact of snail mucin on scar ...
Divya Sekar, Prithiviraj Nagarajan, Gayathiri Ekambaram, Leena Rajathy Port Louis, Asbar Banu Bazeer
Cutaneous and ocular toxicology, 2025
→
From slime to sublime: the impact of snail mucin on scar ...
Divya Sekar, Prithiviraj Nagarajan, Gayathiri Ekambaram, Leena Rajathy Port Louis, Asbar Banu Bazeer
Cutaneous and ocular toxicology, 2025
→
From slime to sublime: the impact of snail mucin on scar ...
Divya Sekar, Prithiviraj Nagarajan, Gayathiri Ekambaram, Leena Rajathy Port Louis, Asbar Banu Bazeer
Cutaneous and ocular toxicology, 2025
→
Phytophotodermatitis from lime juice.
Snaidr VA, Lowe PM
The Medical journal of Australia, 2017
→
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR