Compare Products: 10% Niacinamide Booster vs Glass Skin Refining Serum

Paula's Choice

10% Niacinamide Booster

Mid-range10%
$44 / 20ml — $2.20/ml
Peach & Lily

Glass Skin Refining Serum

Mid-range~2-5%
$39 / 40ml — $0.98/ml

Who It's Designed For

Paula's Choice
  • Enlarged pores and uneven texture
  • Uneven skin tone and dullness
  • Post-acne marks and discoloration
  • Fine lines and early aging concerns
Peach & Lily
  • Sensitive or eczema-prone skin seeking gentle actives
  • Those wanting the 'glass skin' luminous hydration look
  • Users who prioritize fragrance-free, clean formulas
  • People new to niacinamide who want a lower concentration
  • K-beauty enthusiasts looking for a multi-benefit serum

Key Ingredients

Paula's Choice

Niacinamide (10%), Ascorbyl Glucoside (Vitamin C), Licorice Root Extract

Peach & Lily

Niacinamide, Hyaluronic Acid (multiple types), Madecassoside, Peach Extract, Peptides

Product Composition

30% similarity (12 ingredients in common)

Shared Ingredients
water (aqua)niacinamideacetyl glucosaminebutylene glycolsodium hyaluronateglycerinbeta-glucansodium citratesodium hydroxideethylhexylglycerintrisodium ethylenediamine disuccinatecaprylyl glycol
Only in Paula's Choice (15)
ascorbyl glucosidephospholipidsallantoinboerhavia diffusa root extractdipotassium glycyrrhizateglycyrrhiza glabra (licorice) root extractepigallocatechin gallatepanthenolcarnosinegenisteincitric acidxanthan gumpolysorbate 20pentylene glycolphenoxyethanol
Only in Peach & Lily (13)
propanediol12-hexanediolprunus persica (peach) fruit extractdioscorea japonica root extractadenosinemadecassosidehydrolyzed hyaluronic acidhydrolyzed corn starchsaccharide isomeratephytic acidsucroseasiaticoside

User Feedback Patterns

Paula's Choice
Texture takes adjustment

The watery, almost runny texture surprises some users. It can feel like it's not "doing" anything. The brand intends for it to be mixed with other products, which helps with application.

Price comparison to The Ordinary

At roughly 7x the price of The Ordinary's niacinamide serum, value is a common discussion point. Users who prefer it cite the more elegant texture, additional beneficial ingredients, and lack of pilling.

Gradual, cumulative results

Most users report noticing effects (smoother skin, smaller-looking pores, more even tone) after several weeks of consistent use rather than immediate results.

Plays well with other products

The booster format gets consistent praise for layering easily. Users report no issues combining it with retinol, acids, or other actives.

Peach & Lily
Hydration standout

Users consistently report improved hydration and a plumper, more luminous appearance. Many describe the 'glass skin' effect as real.

Sensitive skin safe

Eczema-prone and reactive skin users frequently report no irritation. Popular first serum for those new to actives.

Texture praise

Lightweight gel texture absorbs quickly. Some note a slight initial tack that disappears once fully absorbed. Layers well.

Fading scars

Multiple users report gradual fading of acne scars and improved evenness over weeks of use.

Repeat purchase loyalty

High repurchase rate in reviews. Users describe it as a staple they consistently return to.

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