Horsetail

AKA: Equisetum arvense, Horsetail extract, Shavegrass
Plant-Derived Synthetic
Skin Conditioner
Not Clean
Horsetail is a cosmetic ingredient.
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Antioxidant Protection
Reduces Inflammation
Locks In Moisture
Traditional Use
Valued in European folk medicine for its high silica content, traditionally used to strengthen nails, hair, and connective tissue. Referenced in traditional herbalism for centuries as a skin-fortifying plant.
EWG
4
CIR
Insufficient
Pregnancy
Caution
CIR Safety Findings
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
Skin Protectant
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewed1 paper
⚖️Regulatory0 listings
🛡️Safety-assessed1 review
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR