Journal of Cosmetic Dermatology · 2024 · rct
Randomized controlled trial: Demonstrates THDA dependency on AZ co stabilization for optimal clinical outcomes.
antioxidant
Tetrahexyldecyl Ascorbate
Evidenceemerging · Tier 3Irritation riskLowIn products498
Lipophilic, oil-stable vitamin C ester; penetrates the stratum corneum and is hydrolysed to L-ascorbic acid intracellularly for antioxidant and collagen-supporting activity. More stable but lower-potency evidence than L-AA.
Concerns it helps
| Concern | Strength | Studies | What the research says |
|---|---|---|---|
| Uneven tone & radiance | Relevant | — | Antioxidant via conversion; modest. Marginal. |
| Dark spots & hyperpigmentation | Relevant | — | Maloney 2026 (PMID 41947480) is the highest-quality recent THDA-specific evidence: a randomized, double-blind clinical trial of 30% THDA serum in a Revision Skincare-sponsored study, demonstrating reduced reactive… |
| Fine lines & wrinkles | Relevant | — | Min 2024 demonstrated improvements in fine lines, firmness, and elasticity in a 12-week open-label study; Maloney 2026 demonstrated histologic correlates of photoaging improvement in skin explants and clinical endpoints… |
| Dark circles | Relevant | — | Rajabi-Estarabadi 2023/2024 (J Cosmet Dermatol PMID 38112168): multicorrective serum with THD ascorbate + caffeine + peptides reduced infraorbital dark-circle appearance 12.5% at 4wk, ~20% at 12wk. Effect is modest and… |
No known conflicts — Tetrahexyldecyl Ascorbate isn’t flagged against any concern or skin condition.
Strength reflects the ingredient’s effect on each concern; study counts match research whose findings relate to that concern.
The research
Tetrahexyldecyl Ascorbate is a antioxidant backed by early but promising evidence (evidence tier 3 of 4). We track 4 studies for it, 3 reporting a positive effect.
Read the research — 4 studiesHide the research
Journal of Cosmetic Dermatology · 2026 · rct
Randomized controlled trial: Highest quality THDA specific RCT evidence.
Tetrahexyldecyl ascorbate (THDC) degrades rapidly under oxidative stress but can be stabilized by acetyl zingerone to enhance collagen production and antioxidant effects
Q20International Journal of Molecular Sciences · 2021 · in vitro
In-vitro/mechanistic study: Critical caveat to THDA stability marketing claims demonstrates singlet oxygen susceptibility and costabilization requirement.
Journal of Cosmetic Dermatology · 2024 · observational · n=35
Clinical study (n=35, 12 weeks): THDA plus acetyl zingerone combination clinical outcomes.
Products with Tetrahexyldecyl Ascorbate
In 498 products — most often serums (191), moisturizers (134), sunscreens (71), from $6.10 to $383.54. Set up a profile to rank these for your skin. Click any product to learn more.
10 of 24
Fresh
Black Tea Anti-Aging Eye Cream with Retinol-Alternative BT Matrix
Eye Cream
$74.0014.8ml · $5.00/ml
★★★★★4.8(4,350)
Ideal for
- ExcellentDryness
- StrongFine lines & wrinkles
Not recommended for
Seborrheic DermatitisAtopic Dermatitis / EczemaRosaceaPerioral DermatitisPsoriasisMelasma
Fresh
Black Tea Anti-Aging Eye Cream with Retinol-Alternative BT Matrix
Eye Cream
$74.0014.8ml · $5.00/ml
★★★★★4.8(4,350)
Ideal for
- ExcellentDryness
- StrongFine lines & wrinkles
Not recommended for
Seborrheic DermatitisAtopic Dermatitis / EczemaRosaceaPerioral DermatitisPsoriasisMelasma
Black Tea Anti-Aging Eye Cream with Retinol-Alternative BT Matrix is a eye cream by Fresh. Key ingredients include Water, Glycerin, Squalane.
Product Ingredients (23)
Irritation risk: unlikely possible likely
WaterGlycerinSqualaneButylene GlycolCetearyl AlcoholPentylene GlycolSilicaCamellia Sinensis Leaf ExtractVitamin ESodium PolyacrylatePropanediolSodium Stearoyl GlutamateFragranceTetrahexyldecyl AscorbateCeramidesHyaluronic AcidAdenosineSodium HydroxideSodium BenzoateChlorphenesinPotassium SorbateLinaloolCitronellol
Complete your skin profile to see how well this product matches your skin
Set up your skin profileNassifMD Skincare
Serum
$82.0059.1ml · $1.39/ml
★★★★★4.8(880)
Ideal for
- StrongFine lines & wrinkles
- RelevantDryness
- RelevantDark spots & hyperpigmentation
Not recommended for
Seborrheic DermatitisMelasmaAtopic Dermatitis / EczemaPsoriasisRosaceaPerioral Dermatitis
NassifMD Skincare
Serum
$82.0059.1ml · $1.39/ml
★★★★★4.8(880)
Ideal for
- StrongFine lines & wrinkles
- RelevantDryness
- RelevantDark spots & hyperpigmentation
Not recommended for
Seborrheic DermatitisMelasmaAtopic Dermatitis / EczemaPsoriasisRosaceaPerioral Dermatitis
Hydro-Screen Serum - 2 oz is a retinoid treatment by NassifMD Skincare. Key ingredients include Cyclopentasiloxane, Dimethiconol, Dimethicone.
Product Ingredients (19)
Irritation risk: unlikely possible likely
Complete your skin profile to see how well this product matches your skin
Set up your skin profile
Medik8
Medik8 Advanced Day Total Protect SPF30 50ml
Serum
$57.9150ml · $1.16/ml
★★★★★4.8(728)
Ideal for
- StrongDryness
- RelevantFine lines & wrinkles
Not recommended for
Seborrheic DermatitisRosacea
Medik8
Medik8 Advanced Day Total Protect SPF30 50ml
Serum
$57.9150ml · $1.16/ml
★★★★★4.8(728)
Ideal for
- StrongDryness
- RelevantFine lines & wrinkles
Not recommended for
Seborrheic DermatitisRosacea
Medik8 Advanced Day Total Protect SPF30 50ml is a antioxidant serum by Medik8. Key ingredients include Water, DHHB, Bemotrizinol.
Product Ingredients (26)
Irritation risk: unlikely possible likely
WaterDHHBBemotrizinolC12-15 Alkyl BenzoateGlycerinCetearyl AlcoholEthylhexyl TriazoneDimethiconeSodium PolyacrylateCoco-GlucosideXanthan GumPhenoxyethanolHyaluronic AcidTetrahexyldecyl AscorbateEthylhexylglycerinCitrus OilsCitric AcidPentylene GlycolDisodium EDTATromethamineButylene GlycolLimoneneCitronellolLinaloolGeraniolCitral
Complete your skin profile to see how well this product matches your skin
Set up your skin profile
Medik8
Medik8 Crystal Retinal 1 Serum 30ml
Serum
$57.1530ml · $1.91/ml
★★★★★4.7(3,719)
Ideal for
- ExcellentDryness
- StrongFine lines & wrinkles
Not recommended for
Seborrheic Dermatitis
Medik8
Medik8 Crystal Retinal 1 Serum 30ml
Serum
$57.1530ml · $1.91/ml
★★★★★4.7(3,719)
Ideal for
- ExcellentDryness
- StrongFine lines & wrinkles
Not recommended for
Seborrheic Dermatitis
Medik8 Crystal Retinal 1 Serum 30ml is a retinoid treatment by Medik8. Key ingredients include Water, Caprylic/Capric Triglyceride, Glycerin.
Product Ingredients (22)
Irritation risk: unlikely possible likely
Complete your skin profile to see how well this product matches your skin
Set up your skin profileJack Black
Deep Dive Glycolic Facial Cleanser
Cleanser
$25.00147.9ml · $0.17/ml
★★★★★4.7(766)
Ideal for
- ExcellentDryness
- StrongRedness & sensitivity
- RelevantDark spots & hyperpigmentation
- RelevantFine lines & wrinkles
Not recommended for
Atopic Dermatitis / EczemaRosaceaPsoriasis
Jack Black
Deep Dive Glycolic Facial Cleanser
Cleanser
$25.00147.9ml · $0.17/ml
★★★★★4.7(766)
Ideal for
- ExcellentDryness
- StrongRedness & sensitivity
- RelevantDark spots & hyperpigmentation
- RelevantFine lines & wrinkles
Not recommended for
Atopic Dermatitis / EczemaRosaceaPsoriasis
Deep Dive Glycolic Facial Cleanser is a water cleanser by Jack Black. Key ingredients include Water, Glycerin, Colloidal Oatmeal.
Product Ingredients (13)
Irritation risk: unlikely possible likely
Complete your skin profile to see how well this product matches your skin
Set up your skin profileEstée Lauder
Revitalizing Supreme+ Youth Power Cream SPF 25 Moisturizer - 1.7 oz
Sunscreen
$120.0050.3ml · $2.39/ml
★★★★★4.7(734)
Ideal for
- StrongDryness
- RelevantFine lines & wrinkles
Not recommended for
Acne & breakoutsSeborrheic DermatitisAtopic Dermatitis / EczemaRosaceaPerioral DermatitisPsoriasisMelasma
Estée Lauder
Revitalizing Supreme+ Youth Power Cream SPF 25 Moisturizer - 1.7 oz
Sunscreen
$120.0050.3ml · $2.39/ml
★★★★★4.7(734)
Ideal for
- StrongDryness
- RelevantFine lines & wrinkles
Not recommended for
Acne & breakoutsSeborrheic DermatitisAtopic Dermatitis / EczemaRosaceaPerioral DermatitisPsoriasisMelasma
Revitalizing Supreme+ Youth Power Cream SPF 25 Moisturizer - 1.7 oz is a sunscreen by Estée Lauder. Key ingredients include Avobenzone, Homosalate, Octisalate.
Product Ingredients (26)
Irritation risk: unlikely possible likely
Avobenzone3%Homosalate7%Octisalate4.5%GlycerinSilicaCetyl AlcoholButylene GlycolMyristyl MyristateGlyceryl StearatePEG-100 StearateHyaluronic AcidVitamin EAlgae ExtractSodium PCAPentylene GlycolCaprylyl GlycolPolysorbate 60Disodium EDTADimethiconeTetrahexyldecyl AscorbateCitric AcidFragranceBHTPhenoxyethanolPotassium SorbateSodium Benzoate
Complete your skin profile to see how well this product matches your skin
Set up your skin profileBubble
Morning Rays Brightening Eye Cream
Eye Cream
$14.9914.8ml · $1.01/ml
★★★★★4.7(2,438)
Ideal for
- ExcellentDryness
- StrongDark spots & hyperpigmentation
- RelevantUneven tone & radiance
- RelevantRedness & sensitivity
Not recommended for
Seborrheic Dermatitis
Bubble
Morning Rays Brightening Eye Cream
Eye Cream
$14.9914.8ml · $1.01/ml
★★★★★4.7(2,438)
Ideal for
- ExcellentDryness
- StrongDark spots & hyperpigmentation
- RelevantUneven tone & radiance
- RelevantRedness & sensitivity
Not recommended for
Seborrheic Dermatitis
Morning Rays Brightening Eye Cream is a eye cream by Bubble. Key ingredients include Water, Glycerin, Ethylhexyl Palmitate.
Product Ingredients (15)
Irritation risk: unlikely possible likely
Complete your skin profile to see how well this product matches your skin
Set up your skin profileDIME
Eye Cream
$38.0014.8ml · $2.57/ml
★★★★★4.7(9,966)
Ideal for
- ExcellentDryness
- StrongFine lines & wrinkles
- RelevantDark spots & hyperpigmentation
- RelevantUneven tone & radiance
DIME
Eye Cream
$38.0014.8ml · $2.57/ml
★★★★★4.7(9,966)
Ideal for
- ExcellentDryness
- StrongFine lines & wrinkles
- RelevantDark spots & hyperpigmentation
- RelevantUneven tone & radiance
Luminosity Eye Serum is a eye cream by DIME. Key ingredients include Glycerin, Niacinamide, Squalane.
Product Ingredients (10)
Irritation risk: unlikely possible likely
Complete your skin profile to see how well this product matches your skin
Set up your skin profileBeekman 1802
Milk RX Advanced Better Aging Wrinkle Serum
Serum
$72.0029.6ml · $2.43/ml
★★★★★4.7(540)
Ideal for
- ExcellentDryness
Not recommended for
Seborrheic Dermatitis
Beekman 1802
Milk RX Advanced Better Aging Wrinkle Serum
Serum
$72.0029.6ml · $2.43/ml
★★★★★4.7(540)
Ideal for
- ExcellentDryness
Not recommended for
Seborrheic Dermatitis
Milk RX Advanced Better Aging Wrinkle Serum is a antioxidant serum by Beekman 1802. Key ingredients include Water, Coco-Caprylate/Caprate, Propanediol.
Product Ingredients (22)
Irritation risk: unlikely possible likely
WaterCoco-Caprylate/CapratePropanediolGlycerinCaprylic/Capric TriglycerideButylene GlycolHydrogenated LecithinTetrahexyldecyl AscorbateCaprylyl Glycol1,2-HexanediolSodium Stearoyl GlutamateXanthan GumCarbomerEthylhexylglycerinSodium HydroxideLecithinSilicaVitamin EGlyceryl StearateCeramidesCholesterolSodium Benzoate
Complete your skin profile to see how well this product matches your skin
Set up your skin profile
Luna Daily
Luna Daily The Skin Support Oil for Stretch Marks and Hyperpigmentation 100ml
Serum
$40.64100ml · $0.41/ml
★★★★★4.7(1,115)
Not recommended for
Acne & breakoutsSeborrheic DermatitisAtopic Dermatitis / EczemaRosaceaPerioral DermatitisPsoriasisMelasma
Luna Daily
Luna Daily The Skin Support Oil for Stretch Marks and Hyperpigmentation 100ml
Serum
$40.64100ml · $0.41/ml
★★★★★4.7(1,115)
Not recommended for
Acne & breakoutsSeborrheic DermatitisAtopic Dermatitis / EczemaRosaceaPerioral DermatitisPsoriasisMelasma
Luna Daily The Skin Support Oil for Stretch Marks and Hyperpigmentation 100ml is a antioxidant serum by Luna Daily. Key ingredients include Sweet Almond Oil, Coconut Oil, Linoleic Acid.
Product Ingredients (6)
Irritation risk: unlikely possible likely
Complete your skin profile to see how well this product matches your skin
Set up your skin profileEducational information, not medical advice. Study findings summarise the cited research and may not reflect every formulation.