Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm vs Sunday Riley B3 Nice 10% Niacinamide Serum
Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm scores 9.4/9.8 vs Sunday Riley B3 Nice 10% Niacinamide Serum at 8.5/9.8. Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm wins for hydration.
Head to head
Sugarcoat Gloss Soothing & Hydrating Lip Balm
B3 Nice 10% Niacinamide Serum
Score comparison
Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm edges ahead, winning 1 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Sincerely Yours WINSIrritation Risk
TIEActive Ingredient Strength
Sunday Riley WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
7% overlapOnly in Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm
37 unique
Only in Sunday Riley B3 Nice 10% Niacinamide Serum
40 unique
Why Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm comes out ahead
Where Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm really shines is hydration efficacy, scoring 8.8 compared to Sunday Riley B3 Nice 10% Niacinamide Serum's 5.1. With Polybutene, Microcrystalline Wax, and Synthetic Beeswax in its top ingredients, Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Sunday Riley B3 Nice 10% Niacinamide Serum scores 7.6 here versus 6.8 for Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm. That difference comes down to how each formula is built — the ingredient list tells the story.
Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm brings Ceramide Ap, Ceramide Np, and Ceramide Eop as actives, while sunday Riley B3 Nice 10% Niacinamide Serum relies on Niacinamide, Resveratrol, and Asiaticoside. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Sodium Hyaluronate
- Anyone who prefers clean, well-vetted formulations
Sunday Riley B3 Nice 10% Niacinamide Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
- Anyone who prefers clean, well-vetted formulations
Value comparison
At mid-range pricing with a score of 9.4, Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm delivers strong value. Sunday Riley B3 Nice 10% Niacinamide Serum sits at the premium level with a 8.5 score — the extra cost doesn't translate to better scores here.
Our verdict
Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm edges ahead with a slightly stronger formulation, but Sunday Riley B3 Nice 10% Niacinamide Serum is still a solid pick.
Frequently asked questions
Which is better: Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm or Sunday Riley B3 Nice 10% Niacinamide Serum?
Based on ingredient analysis, Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm scores higher overall. See the full score breakdown above for details on each attribute.
Do Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm and Sunday Riley B3 Nice 10% Niacinamide Serum share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between Sincerely Yours Sugarcoat Gloss Soothing & Hydrating Lip Balm and Sunday Riley B3 Nice 10% Niacinamide Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.