Paula's Choice Clinical Niacinamide 20% Treatment vs Sincerely Yours Hit Refresh Soothing and Hydrating Serum Mist with Cucumber Extract
Paula's Choice Clinical Niacinamide 20% Treatment scores 8.7/9.8 and Sincerely Yours Hit Refresh Soothing and Hydrating Serum Mist with Cucumber Extract scores 8.5/9.8 — a near-tie where your skin type decides the winner.
Head to head

Clinical Niacinamide 20% Treatment

Hit Refresh Soothing and Hydrating Serum Mist with Cucumber Extract
Score comparison
These two are neck and neck — just 0.2 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
TIEIrritation Risk
TIEActive Ingredient Strength
Paula's Choice WINSIngredient Transparency
Paula's Choice WINSFormulation Safety
TIEIngredient face-off
16% overlapOnly in Paula's Choice Clinical Niacinamide 20% Treatment
17 unique
Only in Sincerely Yours Hit Refresh Soothing and Hydrating Serum Mist with Cucumber Extract
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.
Ingredient Transparency is another area of separation. Paula's Choice Clinical Niacinamide 20% Treatment scores 8.5 here versus 8.2 for Sincerely Yours Hit Refresh Soothing and Hydrating Serum Mist with Cucumber Extract. That difference comes down to how each formula is built — the ingredient list tells the story.
Paula's Choice Clinical Niacinamide 20% Treatment brings Niacinamide, Acetyl Glucosamine, and Ascorbyl Glucoside as actives, while sincerely Yours Hit Refresh Soothing and Hydrating Serum Mist with Cucumber Extract relies on Gluconolactone, Niacinamide, and Ceramide Np. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Paula's Choice Clinical Niacinamide 20% Treatment is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Anyone who prefers clean, well-vetted formulations
Sincerely Yours Hit Refresh Soothing and Hydrating Serum Mist with Cucumber Extract is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Anyone who prefers clean, well-vetted formulations
Value comparison
Both sit in the mid-range bracket, so value comes down to formulation quality. Paula's Choice Clinical Niacinamide 20% Treatment gets the nod here with its 8.7 overall score — you're getting more for a similar outlay.
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 Clinical Niacinamide 20% Treatment or Sincerely Yours Hit Refresh Soothing and Hydrating Serum Mist with Cucumber Extract?
Based on ingredient analysis, Paula's Choice Clinical Niacinamide 20% Treatment scores higher overall. See the full score breakdown above for details on each attribute.
Do Paula's Choice Clinical Niacinamide 20% Treatment and Sincerely Yours Hit Refresh Soothing and Hydrating Serum Mist with Cucumber Extract 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 Clinical Niacinamide 20% Treatment and Sincerely Yours Hit Refresh Soothing and Hydrating Serum Mist with Cucumber Extract?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.