The evidence

Ingredients backed by 120+ clinical studies.

S3 Sensitivity Science™ is formulated with clinically validated doses of active ingredients.

Browse all studies
CALMS
STRENGTHENS
PROTECTS
s3 vs market leader

S3 deposits 3× more calcium, and it's hydroxyapatite-like chemistry.

3×

more calcium & phosphorus deposited on the tooth surface.

The exact elements that make up your enamel. Directly supports surface repair.

1.6 Ca/P molar ratio ≈ 1.67 pure hydroxyapatite

Our unique form of hydroxyapatite is bio-identical to the natural tooth.

Mean elemental abundance — Wt%
S3 prototype Sensodyne R&P
≈3×
8.1
2.6
Calcium
≈3×
3.8
1.2
Phosphorus
1.6
N.D.
Potassium

Independently tested at the University of Reading.

Three actions · one breakthrough

The three things that sensitive teeth need. In one toothpaste.

Clinically backed ingredients that calm, strengthen & protect sensitive teeth.

Calms
Calms

Soothes sensitive areas to relieve daily dicomfort.

Key ingredient
Potassium nitrate (5%)
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Strengthens
Strengthens

Repairs the areas of weakened enamel that causes sensitivity.

Key ingredient
Nano-hydroxyapatite (10%)
Explore Strengthen studies
Protects
Protects

Shields the surface from the acids that wear it thin.

Key ingredient
Biomimetic hydroxyapatite (5%)
Explore Protect studies