Polyglutamic Acid Serum vs Guava Vitamin C Dark Spot Serum

Polyglutamic Acid Serum and Guava Vitamin C Dark Spot Serum share 8 parsed ingredients. Differences highlighted below.

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Shared formula

15%

Ingredients in every formula

8in both formulas

Key actives unique to one formula

4unique actives

Ingredient rows compared

53rows compared

From the parsed labels — rows on every label over all compared rows.

The formulas, row by row

53 ingredients across 2 labels

Differences only(45 of 53 rows)

Shared ingredients· none here

Product facts and full ingredient lists side by side

on 2+ labelsonly on this labelnot on this labelIngredient	Inkey List Polyglutamic Acid Serum $15.00 $15.00 at Theinkeylist ↗Save	Recommended Glow Recipe Guava Vitamin C Dark Spot Serum $45.00 $45.00 at Glowrecipe ↗Save
Basics
Type & size	Serum · size not on the record	Serum · size not on the record
Brand origindiffers	Not recorded	American
Offers
Where to buydiffers	$15.00 · Theinkeylist	$45.00 · Glowrecipe
Formula
Key activesdiffers	Not recorded	tranexamic acid, ascorbyl glucoside, sodium ascorbyl phosphate, sodium hyaluronate
Free ofdiffers	fragrance-free, sulfate-free, alcohol-free, paraben-free	fragrance-free, sulfate-free, alcohol-free, paraben-free, silicone-free
Heads-up	fungal-acne triggerPore data not yet reviewed	fungal-acne triggerPore data not yet reviewed
Fit & community
Rating	No reviews yet	No reviews yet
Best for	Not recorded	Not recorded
Data quality
Label coveragediffers	Fully parsed · 20 ingredients	Fully parsed · 41 ingredients
Key actives · 4
ascorbyl glucoside Pregnancy: generally fine	no	yes
hyaluronic acid (salt form) Pregnancy: generally fine	no	yes
sodium ascorbyl phosphate Pregnancy: generally fine	no	yes
tranexamic acid	no	yes
Rest of the labels · 41
1,2-hexanediol	no	yes
3-o-ethyl ascorbic acid Pregnancy: generally fine	no	yes
a silicone	yes	no
betaine	no	yes
bis-peg-12 dimethicone	yes	no
butylene glycol	yes	no
c9-12 alkane	no	yes
citric acid	no	yes
coccinia indica fruit extract	no	yes
coco-caprylate	no	yes
coco-glucoside	yes	no
corallina officinalis extract	no	yes
dimethylacrylamide	yes	no
ferulic acid	no	yes
hexanoyl dipeptide-3 norleucine acetate	no	yes
hexylene glycol	yes	no
hydroxyacetophenone	no	yes
hydroxyethylcellulose	yes	no
isohexadecane	yes	no
lauroyl lysine	yes	no
lauryl glucoside	no	yes
lecithin	no	yes
magnesium ascorbyl phosphate Pregnancy: generally fine	no	yes
melia azadirachta flower extract	no	yes
melia azadirachta leaf extract	no	yes
polyglutamic acid	yes	no
polyglyceryl-10 dioleate Possible fungal-acne trigger	no	yes
polyglyceryl-10 dipalmitate Possible fungal-acne trigger	no	yes
psidium guajava fruit extract	no	yes
psidium guajava seed oil	no	yes
sodium citrate	no	yes
sodium phytate	no	yes
sodium polyacryloyldimethyl taurate	no	yes
sodium stearoyl glutamate	no	yes
sorbitan oleate Possible fungal-acne trigger	yes	no
tetrahexyldecyl ascorbate Pregnancy: generally fine	no	yes
tocopheryl acetate	no	yes
tremella fuciformis sporocarp extract	no	yes
trisodium ethylenediamine disuccinate	yes	no
vitamin e	no	yes
xanthan gum	no	yes

Rows come from parsed labels and live offers. Where a label isn’t fully captured, we say so instead of guessing.

This is not medical advice.

Focus on an effect

Focus on an effect

All ingredientsBrighten & fade dark spotsClear breakoutsSmooth fine linesHydrate & plumpCalm rednessRefine textureRepair & strengthenProtect from sunGo

All ingredients

Brighten & fade dark spotsClear breakoutsSmooth fine linesHydrate & plump

Calm rednessRefine textureRepair & strengthenProtect from sun

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Suggested from shared ingredients on the parsed labels — each pair opens as its own comparison.