Stearyl Alcohol

At ORY^®, we believe you should know what’s in your products and why. This page lists the published research behind what we say about stearyl alcohol. Each section starts with our claim, then tells you how well the research supports it, then lists the sources so you can read them yourself.

1. General Description and Role

Verification: Supported. The CIR Expert Panel concluded that stearyl alcohol is safe as used in cosmetics. Despite the word “alcohol,” fatty alcohols are waxy, moisturizing ingredients, not drying alcohols like ethanol.

Citations:

• • Elder, R. L. (Ed.). (1985). Final report on the safety assessment of stearyl alcohol, oleyl alcohol, and octyl dodecanol. Journal of the American College of Toxicology, 4(5), 1–29. https://doi.org/10.3109/10915818509078685
    • What it shows: CIR safety assessment.

2. Composition and Production

Verification: Supported. Fatty alcohol chemistry is well documented.

Citations:

• • Elder, R. L. (Ed.). (1985). Final report on the safety assessment of stearyl alcohol, oleyl alcohol, and octyl dodecanol. Journal of the American College of Toxicology, 4(5), 1–29. https://doi.org/10.3109/10915818509078685
    • What it shows: Describes chemistry and manufacture.

3. Skin Type Suitability

Verification: Supported, with caveats. CIR found it safe in cosmetics. Rare allergic reactions to fatty alcohols have been reported, so people with a history of dermatitis should patch test.

Citations:

• • Elder, R. L. (Ed.). (1985). Final report on the safety assessment of stearyl alcohol, oleyl alcohol, and octyl dodecanol. Journal of the American College of Toxicology, 4(5), 1–29. https://doi.org/10.3109/10915818509078685
    • What it shows: Safety data.

4. Hair and Scalp Suitability

Verification: Supported. Fatty alcohols are standard conditioning and thickening ingredients in conditioners. ORY^® haircare products are not intended to treat scalp conditions.

Citations:

• • Gavazzoni Dias, M. F. R. (2015). Hair cosmetics: An overview. International Journal of Trichology, 7(1), 2–15. https://pubmed.ncbi.nlm.nih.gov/25878443/
    • What it shows: Review of hair cosmetics, including conditioners.

5. Benefits

Verification: Supported. Emollients as a class soften skin and help reduce water loss. These are cosmetic, texture-related benefits, not treatment of any skin condition.

Citations:

• • Lodén, M. (2003). Role of topical emollients and moisturizers in the treatment of dry skin barrier disorders. American Journal of Clinical Dermatology, 4(11), 771–788. https://doi.org/10.2165/00128071-200304110-00005
    • What it shows: Review of emollients and the skin barrier.
  • Gavazzoni Dias, M. F. R. (2015). Hair cosmetics: An overview. International Journal of Trichology, 7(1), 2–15. https://pubmed.ncbi.nlm.nih.gov/25878443/
    • What it shows: Hair conditioning.

6. Use Across ORY^® Product Lines

Verification: Supported. Use levels fall within ranges long used in cosmetics.

Citations:

• • Elder, R. L. (Ed.). (1985). Final report on the safety assessment of stearyl alcohol, oleyl alcohol, and octyl dodecanol. Journal of the American College of Toxicology, 4(5), 1–29. https://doi.org/10.3109/10915818509078685
    • What it shows: Reported uses.
  • U.S. Food and Drug Administration. 21 CFR 701.20 — Definition of “soap” (only true soap, made mainly of alkali salts of fatty acids and sold only as soap, is exempt from cosmetic rules). https://www.ecfr.gov/current/title-21/chapter-I/subchapter-G/part-701/subpart-B/section-701.20
    • What it shows: FDA definition of soap; other bars are cosmetics.

7. Pros

Verification: Supported. Backed by a long CIR safety record.

Citations:

• • Elder, R. L. (Ed.). (1985). Final report on the safety assessment of stearyl alcohol, oleyl alcohol, and octyl dodecanol. Journal of the American College of Toxicology, 4(5), 1–29. https://doi.org/10.3109/10915818509078685
    • What it shows: Safety conclusion.

8. Cons

Verification: Supported. We list these limits so you have the full picture:

• • Heavier feel. Can feel waxy above 3–4% in lotions.
  • Not an emulsifier alone. Needs a primary emulsifier.
  • Rare allergy. Reported mainly in people with dermatitis.
  • Sourcing. Choose coconut, rapeseed, or certified sustainable palm.

Citations:

• • Elder, R. L. (Ed.). (1985). Final report on the safety assessment of stearyl alcohol, oleyl alcohol, and octyl dodecanol. Journal of the American College of Toxicology, 4(5), 1–29. https://doi.org/10.3109/10915818509078685
    • What it shows: Safety data.

9. Safety Notes

Verification: Supported. Follow these precautions:

• • Patch test any new product on a small area for 24–48 hours before full use.
  • If you have had allergic reactions to creams or cosmetics before, patch test carefully.
  • Stop use if redness, burning, itching, or rash occurs, and talk to a healthcare provider.
  • For external use only. Avoid the eyes unless the product is made for the eye area.
  • If you are pregnant, nursing, have a medical condition, or are buying for a child, ask a healthcare provider before use.

Citations:

• • Elder, R. L. (Ed.). (1985). Final report on the safety assessment of stearyl alcohol, oleyl alcohol, and octyl dodecanol. Journal of the American College of Toxicology, 4(5), 1–29. https://doi.org/10.3109/10915818509078685
    • What it shows: Safety data.

10. Product-line notes

• • ORY^® Skincare: For external use only. Not for deep or puncture wounds, animal bites, or serious burns.
  • ORY^® Haircare: Designed for the look and feel of hair and scalp comfort. Not intended to treat dandruff or scalp conditions, or to promote hair growth or prevent hair loss.
  • ORY^® Handmade Soap line: This ingredient is not used in cold-process soap. Syndet, lotion, shampoo, and conditioner bars that contain it are cosmetics under FDA rules, not soap, and list all of their ingredients. Not intended to treat eczema or any skin condition.
  • ORY^® Cosmetics: Do not share applicators, and replace any product that changes color, smell, or texture.

11. References

Peer-reviewed research

• • Elder, R. L. (Ed.). (1985). Final report on the safety assessment of stearyl alcohol, oleyl alcohol, and octyl dodecanol. Journal of the American College of Toxicology, 4(5), 1–29. https://doi.org/10.3109/10915818509078685
  • Gavazzoni Dias, M. F. R. (2015). Hair cosmetics: An overview. International Journal of Trichology, 7(1), 2–15. https://pubmed.ncbi.nlm.nih.gov/25878443/
  • Lodén, M. (2003). Role of topical emollients and moisturizers in the treatment of dry skin barrier disorders. American Journal of Clinical Dermatology, 4(11), 771–788. https://doi.org/10.2165/00128071-200304110-00005

Government and regulatory sources

• • U.S. Food and Drug Administration. 21 CFR 701.20 — Definition of “soap” (only true soap, made mainly of alkali salts of fatty acids and sold only as soap, is exempt from cosmetic rules). https://www.ecfr.gov/current/title-21/chapter-I/subchapter-G/part-701/subpart-B/section-701.20