Body & Beauty / Compounds / Lanolin

Lanolin on your skin: a safety profile

Low risk

(People-specific data is limited; this page draws from human adult context.) Lanolin (CAS 8006-54-0) presents a low risk to most human adults. The dominant safety issue is allergic contact sensitization — approximately 1–3% of people exposed to lanolin topically develop allergic contact dermatitis, with higher rates in patients using intensive emollient therapy for chronic skin conditions (leg ulcers, atopic eczema, stasis dermatitis). For lanolin-sensitized individuals, avoidance is the management strategy; reactions are typically localized contact dermatitis rather than systemic toxicity. Pharmaceutical-grade and cosmetic-grade lanolin from compliant sources meets pesticide residue specifications, limiting concern from organophosphate/organochlorine sheep dip residues. No carcinogenicity, reproductive toxicity, or systemic toxicity concerns are established at typical topical exposure levels for compliant grades.

What is lanolin?

Also known as: Adeps lanae, Anhydrous lanolin, Emery 1600, Eucerite.

CAS number
8006-54-0

Risk for people

Low risk

Lanolin (CAS 8006-54-0) presents a low risk to most human adults. The dominant safety issue is allergic contact sensitization — approximately 1–3% of people exposed to lanolin topically develop allergic contact dermatitis, with higher rates in patients using intensive emollient therapy for chronic skin conditions (leg ulcers, atopic eczema, stasis dermatitis). For lanolin-sensitized individuals, avoidance is the management strategy; reactions are typically localized contact dermatitis rather than systemic toxicity. Pharmaceutical-grade and cosmetic-grade lanolin from compliant sources meets pesticide residue specifications, limiting concern from organophosphate/organochlorine sheep dip residues. No carcinogenicity, reproductive toxicity, or systemic toxicity concerns are established at typical topical exposure levels for compliant grades.

Regulatory consensus

1 regulatory bodyhas classified Lanolin.

AgencyYearClassificationNotes
US FDA / EFSA (Lanolin — wool wax; wool grease — FDA-approved OTC drug active ingredient (skin protectant, nipple cream) and pharmaceutical excipient; no carcinogenicity classification by IARC, NTP, US EPA, or EFSA; well-documented contact sensitizer causing allergic contact dermatitis in approximately 1–3% of dermatology patch-test populations; historical concern about organophosphate and organochlorine pesticide residues (from sheep dip treatments) in lanolin from inadequately refined sources — pharmacopeial specification limits for pesticide residuals in pharmaceutical-grade lanolin (USP, BP); EU cosmetic regulations require lanolin purity specifications addressing pesticide contamination)2020no carcinogenicity classification; FDA-approved OTC skin protectant; contact sensitizer in patch-test populations (~1–3%); pesticide residue concern in inadequately refined lanolin controlled by pharmacopeial specifications; not classified by IARC, NTP, or EPA for carcinogenicity

Regulators apply different standards of evidence — animal-data weighting, exposure-pattern assumptions, epidemiological power thresholds — which is why two scientific bodies can review the same data and reach different conclusions. The disagreement is the data.

Where you encounter lanolin

  • Industrial Facilities — Manufacturing plants, Chemical storage areas, Waste treatment sites
  • Occupational Environments — Factories, Warehouses, Transportation vehicles
  • Consumer Products — dietary supplements, fortified foods, energy drinks
  • Fragrance — perfume, cologne, scented personal care products, household fragrance products, candles
    Identified in Fragrance Ingredient Safety Priority Research database (2,325 ingredients)

Safer alternatives

Lower-risk approaches that achieve a similar outcome to Lanolin:

  • Fragrance-free formulations
    Trade-offs: Consumer preference for scented products
    Relative cost: Lower (ingredient elimination)
  • Essential oil-based fragrances (with disclosure)
    Trade-offs: Natural does not mean safe — many essential oils are skin sensitizers
    Relative cost: 2-5× conventional

Frequently asked questions

What products contain lanolin?

Lanolin appears in: Manufacturing plants (Industrial facilities); Chemical storage areas (Industrial facilities); Factories (Occupational environments); Warehouses (Occupational environments); dietary supplements (Consumer products).

See Lanolin in the body app

Look up products containing lanolin, compare to alternatives, and explore the full data record.

Open in body View raw API data

Sources (1)
  1. FDA OTC Skin Protectant Category I Lanolin; Allergic Contact Dermatitis Sensitizer 1-3% Patch Test; Organophosphate Organochlorine Sheep Dip Pesticide Residues USP BP Specification Limits; Nipple Cream Breastfeeding; EU Cosmetic Purity Requirements; No IARC NTP EPA Carcinogenicity Classification (2020) — regulatory

Reference data, not professional advice. Aggregates publicly available regulatory and scientific data; not a substitute for veterinary, medical, legal, or regulatory advice. Why we built ALETHEIA →