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Deal.ai › Compare

TruSkin Vitamin C Facial Serum vs La Roche-Posay Vitamin C12 Serum

TruSkin is the better pick for most shoppers: a gentle, stable vitamin C derivative with squalane, hyaluronic acid and vitamin E, backed by a large and mostly positive owner base. La Roche-Posay C12 uses 10% pure L-ascorbic acid with salicylic acid and neurosensine, so it brightens harder and exfoliates pores, but it costs more and irritates more easily. Choose TruSkin for a first vitamin C serum or sensitive, oily skin. Choose La Roche-Posay if you want clinical-grade ascorbic acid and pore clearing and your skin already tolerates acids.

  • Choose the TruSkin if you want a gentle, hydrating daily vitamin C serum that suits oily and normal skin and is easy to start with.
  • Choose the La Roche-Posay C12 if you want pure L-ascorbic acid at 10% plus salicylic acid for brightening and pore clearing, and your skin handles acids.

Prices

  • TruSkin Vitamin C Facial Serum: $19.99 at Amazon (last seen Nov 10)
  • La Roche-Posay Vitamin C12 Serum: $15.91 at eBay (checked today)
  • Difference: the La Roche-Posay Vitamin C12 Serum is $4.08 cheaper than the TruSkin Vitamin C Facial Serum at the latest prices (Nov 10 and Nov 12)
TruSkin
TruSkin Vitamin C Facial Serum

TruSkin Vitamin C Facial Serum

4.5(6,102 ratings)
$19.99at AmazonChecked Nov 10
See all prices and details
Visit Amazon

Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.

Pros
  • Gentle, stable vitamin C that rarely irritates
  • Hydrating blend with squalane and hyaluronic acid
  • Large base of owner ratings
  • Good starter serum for oily or normal skin
Cons
  • Derivative form works more slowly than pure ascorbic acid
  • Contains witch hazel and botanicals some skin dislikes
  • Not fragrance-free
La Roche-Posay
La Roche-Posay Vitamin C12 Face Serum

La Roche-Posay Vitamin C12 Serum

La Roche-Posay Vitamin C12 Face Serum

4.2(631 ratings)
$15.91at eBayChecked 6 h ago
See all prices and details
Visit eBay
Pros
  • 10% pure L-ascorbic acid with strong evidence behind it
  • Salicylic acid helps unclog pores
  • Fragrance-free, oil-free and allergy tested
  • Suitable for sensitive skin
Cons
  • Pure ascorbic acid can sting and oxidize
  • Fewer owner ratings to judge by
  • Salicylic acid may dry or over-exfoliate some skin

What separates them

TruSkin Vitamin C Facial SerumLa Roche-Posay Vitamin C12 Serum
Vitamin C formSodium ascorbyl phosphate, a stable derivative that converts slowly10% pure L-ascorbic acid, the most studied form
Irritation riskLow; SAP is gentler and pH-balancedHigher; pure ascorbic acid can sting, especially at first
Extra activesSqualane, vitamin E, hyaluronic acid, witch hazel, MSM, cica, aloeSalicylic acid for pores and neurosensine for soothing
Texture and finishSilky, lightweight, slightly botanicalRich, oil-free, fragrance-free liquid
Skin typesNormal and oily skinAll skin types, including sensitive
FragranceBotanical blend, not fragrance-freeFragrance-free and allergy tested
Track record4.5 from over 6,100 ratings4.2 from about 630 ratings
Routine useDay serum, best under sunscreenDay or night, layers under moisturizer

Price history

$40.50$8.00
Nov 7Nov 12
  • TruSkin Vitamin C Facial Serum: lowest $8.00 on Nov 9 at eBay; $18.68 on Nov 12.
  • La Roche-Posay Vitamin C12 Serum: lowest $15.91 on Nov 12 at eBay.

Prices at every store

TruSkin Vitamin C Facial Serum

  • MercariNew

    In stock

    $15.00+ $6.40 shippingChecked Nov 10
    Visit Mercari
  • WalmartNew

    In stock

    $18.68+ $6.99 shippingChecked 4 h ago
    Visit Walmart
  • TruSkinNew

    In stock

    $19.99+ $5.95 shippingChecked Nov 10
    Visit TruSkin
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $19.99Checked Nov 10
    Visit Amazon

Also available at

  • eBayCheck price at eBay

Store links may earn us a commission. Some prices via Klarna.

All 4 stores and price history →

La Roche-Posay Vitamin C12 Serum

  • eBayNew

    In stockShips from Ireland · duties may apply

    $15.91+ $13.04 shippingChecked 6 h ago
    Visit eBay
  • WalmartNew

    In stockSold by LovelySkinReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $35.98Free shippingChecked 4 h ago
    Visit Walmart
  • Nordstrom RackNew

    In stock

    $29.97+ $9.95 shippingChecked 6 h ago
    Visit Nordstrom Rack
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $35.98Free shippingChecked 6 h ago
    Visit Amazon

Also available at

  • WalmartCheck price at Walmart

Store links may earn us a commission.

All 7 stores and price history →

Specs compared

SpecTruSkin Vitamin C Facial SerumLa Roche-Posay Vitamin C12 Serum
size1 oz1.0 fl oz - Normal/Balanced Skin
Skin TypeNormal Skin, Oily SkinAll
Package quantity60 ml—
Shipping weight0.14 kg—
Dimensions14.6 x 4.6 x 4.6 cm—
Total servings60 ml—
Weight (oz)1.0—
ContentVitamin C, Antioxidants—
Volume (fl oz)1.0—
color—Multicolor
Active ingredient name—Vitamin C
Active ingredient percentage—10
Show all 37 specsShow fewer specs
SpecTruSkin Vitamin C Facial SerumLa Roche-Posay Vitamin C12 Serum
Active ingredients—Vitamin C (L-Ascorbic Acid) Salicylic Acid Neur…
Ingredient preference—Oil-Free, Paraben-Free
Skin care key benefits—Anti-Aging, Brightening, Rejuvenating, Repairing
Primary ingredient—Vitamin C
Product multifunction descriptor—anti-aging face and neck serum
Brand—La Roche-Posay
Ingredient properties—Non-Comedogenic
Rec. use—Day Use, Night Use
Scent—

What reviewers say

TruSkin Vitamin C Facial Serum

  • 4.5 / 56,102 ratings

Owners mostly praise the light texture, easy layering and a gradual glow, and many call it a good starter vitamin C. Complaints center on slow results, a runny consistency and irritation for some sensitive users.

What people mention
  • TexturePraisedUsers describe it as silky and fast-absorbing, easy to layer.
  • BrighteningMixedMany see a gradual glow, but some report little change in dark spots.
  • IrritationCriticisedA minority with sensitive skin report stinging or redness from the witch hazel and botanicals.
  • HydrationMixedHyaluronic acid and squalane help, but dry-skin users want more moisture.

La Roche-Posay Vitamin C12 Serum

  • 4.2 / 5631 ratings

Rated 4.2 out of 5 from 631 ratings. Buyers generally like the hydration and glow, while some report irritation or a texture they did not expect.

What people mention
  • HydrationPraisedBuyers say skin feels softer and more hydrated after use.
  • RadiancePraisedMany report a visible glow with regular use.
  • TextureMixedSome find the rich serum feel heavier than expected.
  • IrritationCriticisedSome sensitive-skin users report stinging or redness.

Questions and answers

Which is better for sensitive skin?
La Roche-Posay C12 is fragrance-free, allergy tested and built for sensitive skin, and neurosensine helps calm it. TruSkin is gentler than pure ascorbic acid but contains witch hazel and botanicals, which some sensitive skin reacts to.
Which brightens faster?
La Roche-Posay, because 10% L-ascorbic acid acts directly on skin. TruSkin's SAP derivative converts slowly, so expect a slower, milder brightening effect.
Can I use either with retinol or acids?
Use La Roche-Posay C12 carefully alongside retinol or strong acids, since it already contains salicylic acid. TruSkin layers more easily with most routines.
Which lasts longer on the shelf?
TruSkin's SAP form is highly stable and resists oxidation well. Pure ascorbic acid in La Roche-Posay can yellow and lose potency once opened, so store it cool and dark.
Is La Roche-Posay worth stepping up to?
Yes if you want pure ascorbic acid, pore clearing and a fragrance-free formula and your skin tolerates acids. Otherwise TruSkin covers daily brightening with less risk.
Which suits oily skin?
Both are oil-free in feel. TruSkin lists oily skin as a target and witch hazel tightens pores; La Roche-Posay adds salicylic acid, which does more for congested pores.

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  • TruSkin Vitamin C Facial Serum vs Timeless Skin Care Vitamin C Serum with Vitamin E & Ferulic Acid
  • TruSkin Vitamin C Facial Serum vs La Roche-Posay Pure Vitamin C12 Serum

Buying guides that pick them

  • Best vitamin C serums for face
Fragrance-free
Form—Serum, Liquid
Body part—Face
Fragrance-free—yes
Active Ingredient—Salicylic Acid, 12 Pure Vitamin C, Vitamin C, N…
Ingredient Benefit—Salicylic Acid Unclogs Pores
Key Ingredient—Neurosensine, Salicylic Acid
Soothing Ingredient—Neurosensinen
Type—Dermatologically Approved Serum, Dermatological…
Suitable For—All Skin Types, Sensitive Skin, Combination Skin
Effect—Diminish The Appearance Of Fine Lines, Smoothing
Skin Appearance—More Hydrated, Glowing Skin, Visibly Softer
Formula—Stable, Allergy Tested
Capacity—30 Ml
Effects—Anti-Ageing
Factor (Spf)—Spf 2, Spf0
Vegan—No