Compare Products: Hyaluronic Acid Serum vs B3 Nice 10% Niacinamide Serum

Good Molecules

Hyaluronic Acid Serum

Budget
$6 / 30ml — $0.20/ml
Sunday Riley

B3 Nice 10% Niacinamide Serum

Premium10%
$65 / 30ml — $2.17/ml

Who It's Designed For

Good Molecules
  • Those who want pure, no-frills hydration
  • Users with sensitive or reactive skin who need minimal ingredient lists
  • Budget-conscious shoppers seeking effective hyaluronic acid
  • People building a multi-step routine who want a clean layering product
  • Those with fungal acne (minimal ingredient list avoids common triggers)
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

Key Ingredients

Good Molecules

Sodium Hyaluronate (multiple molecular weights), Panthenol

Sunday Riley

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

Product Composition

8% similarity (3 ingredients in common)

Shared Ingredients
waterphenoxyethanolethylhexylglycerin
Only in Good Molecules (5)
sodium hyaluronatepanthenolpropanediolhydroxyethylcellulosesodium hydroxide
Only in Sunday Riley (31)
niacinamidephenyl 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 glycolethoxydiglycolxanthan gumtamarindus indica seed gumchlorphenesinparfum/fragrance

User Feedback Patterns

Good Molecules
Excellent for sensitive skin

Users with reactive, eczema-prone, or post-procedure skin report zero irritation. The minimal ingredient list is the primary reason.

Effective basic hydration

Reviewers consistently describe this as a reliable hydration layer. Works well under other products and does not interfere with subsequent steps.

No-frills expectations

Users who expect more than hydration are sometimes disappointed. This does one thing and does it well.

Outstanding value

The $6 price point is frequently cited as a major positive. Users feel the performance matches or exceeds more expensive alternatives.

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.

Which Should You Buy?

Good Molecules Hyaluronic 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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