Paula's Choice 10% Azelaic Acid Booster for Redness Relief vs Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen
Paula's Choice 10% Azelaic Acid Booster for Redness Relief scores 8.4/9.8 and Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen scores 8.4/9.8 — a near-tie where your skin type decides the winner.
Head to head
10% Azelaic Acid Booster for Redness Relief
SOS FaceGuard SPF 30 Mineral Sunscreen
Score comparison
These two are neck and neck — just 0.0 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Tower 28 Beauty WINSIrritation Risk
TIEActive Ingredient Strength
TIEIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
21% overlapOnly in Paula's Choice 10% Azelaic Acid Booster for Redness Relief
12 unique
Shared ingredients
8 in common
Only in Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen
31 unique
Why these two are neck and neck
These two serums take different paths to a similar destination. Both formulas include solid hydrating ingredients, and the overall scores reflect that — the gap here is genuinely slim.
Paula's Choice 10% Azelaic Acid Booster for Redness Relief brings Azelaic Acid, Salicylic Acid, and Adenosine as actives, while tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen relies on Allantoin, Bisabolol, and Ceramide Ap. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Paula's Choice 10% Azelaic Acid Booster for Redness Relief is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Glycerin
- 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
Value comparison
Paula's Choice 10% Azelaic Acid Booster for Redness Relief comes in at mid-range pricing with a 8.4 score, which is solid value at that tier.
Our verdict
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.
Frequently asked questions
Which is better: Paula's Choice 10% Azelaic Acid Booster for Redness Relief or Tower 28 Beauty SOS FaceGuard SPF 30 Mineral Sunscreen?
Based on ingredient analysis, Paula's Choice 10% Azelaic Acid Booster for Redness Relief scores higher overall. See the full score breakdown above for details on each attribute.
Do Paula's Choice 10% Azelaic Acid Booster for Redness Relief 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 Paula's Choice 10% Azelaic Acid Booster for Redness Relief 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.