Compare Products: Hyaluronic Acid Serum vs Niacinamide 10% + Zinc 1% Serum

Good Molecules

Hyaluronic Acid Serum

Budget
$6 / 30ml — $0.20/ml
The Ordinary

Niacinamide 10% + Zinc 1% Serum

Budget10%
$6 / 30ml — $0.20/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)
The Ordinary
  • Oily and combination skin seeking oil control
  • Those who want a no-frills, high-potency niacinamide serum
  • Budget-conscious skincare users
  • People targeting enlarged pores and textural irregularities
  • Users building ingredient-focused routines

Key Ingredients

Good Molecules

Sodium Hyaluronate (multiple molecular weights), Panthenol

The Ordinary

Niacinamide (10%), Zinc PCA (1%)

Product Composition

12% similarity (2 ingredients in common)

Shared Ingredients
waterphenoxyethanol
Only in Good Molecules (6)
sodium hyaluronatepanthenolpropanediolhydroxyethylcellulosesodium hydroxideethylhexylglycerin
Only in The Ordinary (9)
niacinamidepentylene glycolzinc pcadimethyl isosorbidetamarindus indica seed gumxanthan gumisoceteth-20ethoxydiglycolchlorphenesin

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.

The Ordinary
Holy grail for oily skin

Many users with oily skin report significant oil control and fewer breakouts. High repurchase rate in this demographic.

Pilling under other products

Commonly reported issue. Users recommend applying to damp skin or mixing with a hydrating serum to improve layering.

Tacky texture

The formula can feel sticky, especially if too much is applied. Most users adapt application technique over time.

Purging or breakouts

Some users report initial breakouts. Unclear whether this is purging, sensitivity, or coincidence. Most who push through report improvement.

Value for money

Almost universally praised for price-to-performance ratio. Common comment: 'can't believe this costs $6.'

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