Most brow and lash growth serums use isopropyl cloprostenate — a synthetic prostaglandin analogue with documented side effects including iris colour change and periorbital fat atrophy. This serum uses castor oil (ricinoleic acid supports prostaglandin-pathway follicle stimulation) without pharmaceutical synthetic analogues.
✦ Ingredient Spotlight: Castor Oil
Castor oil's ricinoleic acid activates prostaglandin E2 receptors — the same pathway targeted by pharmaceutical hair and lash growth compounds. It also has documented antimicrobial properties and is one of the few single-ingredient oils with meaningful peer-reviewed evidence for hair, lash, and brow growth.
Pretty farm girl is a women-owned, farm-sourced personal care brand creating small-batch products with minimal, plant-derived ingredients and no synthetic fragrance.
Sizes & options available: One size — $27
* Verification tiers: ✓ Arth Verified — passed Arth's two-stage AI audit: ingredient screen against EU CosIng, California Prop 65, and Arth's restricted substance list, plus a brand independence and maker credentials audit. ✓✓ Double Verified — Arth Verified plus one independent certification (EWG Verified, Leaping Bunny, USDA Organic, Made Safe, or B Corp). ✓✓✓ Triple Verified — Arth Verified plus two or more independent certifications.
For educational purposes only. Not medical advice. Consult a healthcare professional if pregnant, nursing, or managing a medical condition before introducing new products.
