SEPHORA COLLECTION Ultra Glow Serum: Glow + Strengthen Vitamin C Serum — Efficacy 4.1/5.0, Safety 4.4/5.0 | DemythSkin
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[ DemythSkin Verdict ]
SEPHORA COLLECTION Ultra Glow Serum: Glow + Strengthen Vitamin C Serum
SEPHORA COLLECTION

SEPHORA COLLECTION Ultra Glow Serum: Glow + Strengthen Vitamin C Serum

SerumBrightening
Efficacy
Strong
4.1 / 5.0
Safety
Safe
4.4 / 5.0
System Verdict
Decent brightening serum, but the vitamin C system is derivative-heavy and only moderately compelling. The formula does have a real antioxidant brightening stack with sodium ascorbyl phosphate, 3-O-ethyl ascorbic acid, ascorbyl glucoside, and tocopherol, but these are not the same as a high-strength low-pH L-ascorbic acid serum. The presence of multiple derivatives suggests a more stability-focused, gentler formula than an aggressive treatment, so the efficacy score lands in the mid-range rather than excellent; glycerin and propanediol help hydration, while the base looks well-built enough to support daily use.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
Sodium Ascorbyl Phosphate
A Tier: Good BasicsProven Results
3-O-Ethyl Ascorbic AcidAscorbyl GlucosideGlycerinTocopherolHelianthus Annuus (Sunflower) Seed Oil
B Tier: Supporting IngredientsPromising Ingredients
Triethyl CitratePEG-40 Hydrogenated Castor OilTamarindus Indica Seed GumGlyceryl CaprylateGlucose
C Tier: Marketing IdolsHype | Limited or Weak Data
Chlorella Vulgaris ExtractCapsicum Annuum Fruit ExtractRosmarinus Officinalis (Rosemary) Leaf Extract
What Each Ingredient Does
Aqua (Water)
solvent
Propanediol
humectant solvent
Pentylene Glycol
humectant solvent
Sodium Ascorbyl Phosphate
vitamin C derivative
3-O-Ethyl Ascorbic Acid
vitamin C derivative
1,2-Hexanediol
solvent preservative
Ascorbyl Glucoside
vitamin C derivative
Triethyl Citrate
solvent
Glycerin
humectant
PEG-40 Hydrogenated Castor Oil
solubilizer
Polyglyceryl-10 Laurate
emulsifier
Tamarindus Indica Seed Gum
thickener
Glyceryl Caprylate
emollient preservative booster
Phytic Acid
chelating antioxidant
Citric Acid
pH adjuster
Sodium Gluconate
chelating agent
Sodium Hydroxide
pH adjuster
Sodium Metabisulfite
antioxidant stabilizer
Tocopherol
vitamin E antioxidant
Sodium Dehydroacetate
preservative
Chlorella Vulgaris Extract
botanical extract
Glucose
humectant
Capsicum Annuum Fruit Extract
botanical extract
Helianthus Annuus (Sunflower) Seed Oil
emollient oil
Full Ingredient List (INCI)

Aqua (Water), Propanediol, Pentylene Glycol, Sodium Ascorbyl Phosphate, 3-O-Ethyl Ascorbic Acid, 1,2-Hexanediol, Ascorbyl Glucoside, Triethyl Citrate, Glycerin, PEG-40 Hydrogenated Castor Oil, Polyglyceryl-10 Laurate, Tamarindus Indica Seed Gum, Glyceryl Caprylate, Phytic Acid, Citric Acid, Sodium Gluconate, Sodium Hydroxide, Sodium Metabisulfite, Tocopherol, Sodium Dehydroacetate, Chlorella Vulgaris Extract, Glucose, Capsicum Annuum Fruit Extract, Helianthus Annuus (Sunflower) Seed Oil, Rosmarinus Officinalis (Rosemary) Leaf Extract

Frequently Asked

Is SEPHORA COLLECTION Ultra Glow Serum: Glow + Strengthen Vitamin C Serum worth it?

SEPHORA COLLECTION Ultra Glow Serum: Glow + Strengthen Vitamin C Serum scores 4.1 out of 5.0 for efficacy (Strong) and 4.4 out of 5.0 for safety (Safe) on DemythSkin's independent ingredient analysis. Decent brightening serum, but the vitamin C system is derivative-heavy and only moderately compelling. The formula does have a real antioxidant brightening stack with sodium ascorbyl phosphate, 3-O-ethyl ascorbic acid, a

What are the key active ingredients in SEPHORA COLLECTION Ultra Glow Serum: Glow + Strengthen Vitamin C Serum?

SEPHORA COLLECTION Ultra Glow Serum: Glow + Strengthen Vitamin C Serum contains these gold-standard actives with strong clinical evidence: Sodium Ascorbyl Phosphate.

Does SEPHORA COLLECTION Ultra Glow Serum: Glow + Strengthen Vitamin C Serum contain fragrance or known irritants?

DemythSkin's analysis found no flagged irritants in SEPHORA COLLECTION Ultra Glow Serum: Glow + Strengthen Vitamin C Serum. It scores 4.4 out of 5.0 for safety.

How is SEPHORA COLLECTION Ultra Glow Serum: Glow + Strengthen Vitamin C Serum scored?

DemythSkin grades every product on two independent axes: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are classified S through D against a database of over 3,000 compounds. No brand pays for a score.

Analyze on DemythSkin →

Analysis last updated: 2026-08-18. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.