Compare Products: B3 Nice 10% Niacinamide Serum vs 20% Vitamin C + E Ferulic Acid Serum

Sunday Riley

B3 Nice 10% Niacinamide Serum

Premium10%
$65 / 30ml — $2.17/ml

Who It's Designed For

Sunday Riley
  • Those seeking an antioxidant-rich niacinamide treatment
  • Users who want botanical anti-inflammatory ingredients alongside niacinamide
  • People addressing post-acne dark spots and uneven tone
  • Those who prefer prestige skincare with complex formulations
  • Users comfortable with light synthetic fragrance
Timeless
  • Those seeking the CE Ferulic combination at an affordable price
  • Users comfortable with high-concentration L-ascorbic acid
  • People looking for a research-backed antioxidant serum
  • Budget-conscious shoppers who want SkinCeuticals-level actives
  • Users who prefer fragrance-free, minimalist formulas

Key Ingredients

Sunday Riley

Niacinamide (10%), Brightenyl (Diglucosyl Gallic Acid), Trans-Resveratrol, EGCG (Green Tea), Centella Asiatica

Timeless

20% L-Ascorbic Acid, 1% Vitamin E (Alpha Tocopherol), 1% Ferulic Acid, Sodium Hyaluronate, Panthenol

Product Composition

5% similarity (2 ingredients in common)

Shared Ingredients
water/eau/aquaethoxydiglycol
Only in Sunday Riley (32)
niacinamideglycerinphenyl trimethiconedimethyl isosorbideoctyldodecanolresveratroldiglucosyl gallic acidasiaticosidemadecassosideepigallocatechin gallatyl glucosideboswellia serrata resin extractcurcuma longa (turmeric) root extractocimum basilicum (basil) flower/leaf extractocimum sanctum leaf extractaloe barbadensis flower extractsolanum melongena (eggplant) fruit extractcoccinia indica fruit extractbetainecorallina officinalis extractmelia azadirachta flower extractmelia azadirachta leaf extractpeg-8tetrahydrodiferuloylmethanepunica granatum fruit extractargania spinosa kernel oilcalendula officinalis flower extractpentylene glycolxanthan gumtamarindus indica seed gumphenoxyethanolchlorphenesinparfum/fragrance
Only in Timeless (9)
l-ascorbic acidpropylene glycolalpha tocopherolpolysorbate 80panthenolferulic acidsodium hyaluronatebenzyl alcoholdehydroacetic acid

User Feedback Patterns

Sunday Riley
Texture and absorption

Users frequently praise the lightweight, watery texture that absorbs quickly without stickiness. Layers well under other products and makeup.

Brightening over time

Consistent reports of improved radiance and brighter complexion with regular use, though dark spot fading varies by individual.

Oil control

Oily skin users report reduced shine and less sebum production throughout the day.

Packaging concerns

Some users note the dropper packaging can cause product to dry and crust around the lid. Others have reported the product arriving discolored.

Price sensitivity

Mixed opinions on value. Some feel the botanical complex justifies the premium; others find it overpriced compared to budget niacinamide options.

Timeless
Effective and affordable CE Ferulic

The most common praise is that it delivers results comparable to SkinCeuticals at a fraction of the cost. Users report brightening, improved tone, and visible glow within 2-4 weeks.

Reddit favorite

Consistently ranked among the top vitamin C serums on Reddit. r/SkincareAddiction and r/30PlusSkinCare frequently recommend it as the best value CE Ferulic serum.

Oxidation is the main complaint

Users report the serum darkening within 4-8 weeks, sometimes faster in warm climates. Several recommend buying smaller sizes and refrigerating immediately.

Stinging on initial use

The 20% concentration causes noticeable stinging for most users during the first 1-2 weeks. This typically subsides as skin adjusts.

Which Should You Buy?

Timeless 20% Vitamin C + E Ferulic Acid Serum offers great value at a lower price point. Sunday Riley B3 Nice 10% Niacinamide Serum may be worth the premium if you want Niacinamide (10%).

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