Tatcha The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen vs Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen
Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen scores 8.4/9.8 vs Tatcha The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen at 7.8/9.8. Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen wins for active ingredients.
Head to head

The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen

SOS FaceGuard SPF 30 Mineral Sunscreen
Score comparison
Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Tower 28 Beauty WINSIrritation Risk
TIEActive Ingredient Strength
Tower 28 Beauty WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
28% overlapOnly in Tatcha The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen
29 unique
Shared ingredients
11 in common
Only in Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen
28 unique
Why Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen comes out ahead
Where Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen really shines is active ingredient strength, scoring 6.0 compared to Tatcha The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen's 4.3. Its formula features Allantoin, Bisabolol, and Ceramide Ap in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen scores 9.8 here versus 8.5 for Tatcha The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen. That difference comes down to how each formula is built — the ingredient list tells the story.
Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen brings Allantoin, Bisabolol, and Ceramide Ap as actives, while tatcha The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen relies on Niacinamide, Camellia Sinensis Leaf Extract, and Cladosiphon Okamuranus Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Tatcha The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Propanediol
- Anyone who prefers clean, well-vetted formulations
Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Cholesterol
- Anyone who prefers clean, well-vetted formulations
Our verdict
Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen edges ahead with a slightly stronger formulation, but Tatcha The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen is still a solid pick.


Frequently asked questions
Which is better: Tatcha The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen or Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen?
Based on ingredient analysis, Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen scores higher overall. See the full score breakdown above for details on each attribute.
Do Tatcha The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen and Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between Tatcha The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen and Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.