Compare Products: Niacinamide Brightening Toner vs Glass Skin Refining Serum

Good Molecules

Niacinamide Brightening Toner

Budget3%
$14 / 120ml — $0.12/ml
Peach & Lily

Glass Skin Refining Serum

Mid-range~2-5%
$39 / 40ml — $0.98/ml

Who It's Designed For

Good Molecules
  • Those seeking gentle brightening without high-concentration actives
  • Users who want multiple brightening ingredients working together
  • Sensitive skin types who cannot tolerate 10% niacinamide
  • People targeting hyperpigmentation, dullness, and uneven tone
  • Those who prefer toner format over serum
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

Good Molecules

Niacinamide (3%), Arbutin (2%), Licorice Root Extract, Ethyl Ascorbic Acid

Peach & Lily

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

Product Composition

39% similarity (12 ingredients in common)

Shared Ingredients
water (83.2%)glycerin (6.7%)niacinamide (3.0%)12-hexanediol (2.2%)propanediol (2.0%)glycyrrhiza glabra (licorice) root extract (0.1%)3-o-ethyl ascorbic acid (0.1%)ethylhexylglycerin (0.1%)carbomer (0.06%)trisodium ethylenediamine disuccinate (0.02%)sodium hyaluronate
Only in Good Molecules (5)
arbutin (2.0%)betaine (0.5%)tromethamine (0.04%)theobroma cacao (cocoa) seed extractdextrin
Only in Peach & Lily (14)
butylene glycolprunus persica (peach) fruit extractdioscorea japonica root extractadenosinemadecassosidehydrolyzed hyaluronic acidacetyl octapeptide-3hydrolyzed corn starchbeta-glucansaccharide isomeratephytic acidsucroseasiaticosidecaprylyl glycol

User Feedback Patterns

Good Molecules
Gentle and effective for sensitive skin

Users with sensitive skin report good tolerance. The lower niacinamide concentration avoids irritation common with 10% formulas.

Improved skin brightness

Many users report brighter, more even-looking skin after consistent use. Results typically noted after 4-8 weeks.

Texture improvement

Users note smoother skin texture and smaller-looking pores with regular use.

Not hydrating enough for dry skin

Some users with dry skin find the toner is not moisturizing enough on its own and needs to be followed by additional hydration.

Slight tackiness

Some users note a slight tacky feeling after application, though this absorbs with time.

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.

Which Should You Buy?

Good Molecules Niacinamide Brightening Toner offers great value at a lower price point. Peach & Lily Glass Skin Refining Serum may be worth the premium if you want Niacinamide.

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