1
Q
What is lanolin?
A
a natural product obtained from the fleece of sheep
(sebum is extracted from sheep’s wool, cleaned, and refined)
used in a variety of topical therapeutic and cosmetic preparations.
2
Q
What is lanolin made of?
A
complex mixture mainly composed of high molecular weight esters (>80%), along with aliphatic alcohols, fatty acids, sterols, and hydrocarbons.
Free alcohols are considered the main sensitisers in lanolin.
3
Q
Where is lanolin found?
A
- Pharmaceuticals
- Steroid-containing creams / ointments
- Haemorrhoidal preparations
- Medicated shampoos
- Veterinary products
- Liniments - Cosmetics
- Hand creams
- Emollients and moisturisers
- Barrier creams
- Self-tanners
- Sunscreens
- Glossy lipsticks
- Makeup removers and cleansers
- Foundations/powders/concealer
- Eye makeup
- Hairspray
- Shaving creams
- Baby oils, diaper / nappy lotions - Industrial
- Printing ink (helps to prevent crystallisation)
- Furniture and shoe polishers
- Textile finishers
- Lubricants, cutting fluids
- Paper
- Leather (enhances pliability and water resistance)
4
Q
How is Lanolin patch tested?
A
50% Amerchol L101 in petrolatum
