TBT Serum

Dime Beauty

Where to buy Possibly in stock

About this product

The Dime Beauty TBT Serum is a serums, essence, ampoule. Our analysis of its 25 ingredients (15 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone, dry, and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
25
Low-risk
15
Fragrance
Fragrance-free
Origin
United States
Data updated
Jun 2026

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 7/2
Good for dry skin
Moringa Oleifera Seed Oil Nigella Sativa Seed Oil Sclerocarya Birrea Seed Oil Punica Granatum Seed Oil Vaccinium Vitis-Idaea Seed Oil Sodium Hyaluronate Gynostemma Pentaphyllum Leaf/Stem Extract
Caution for dry skin
Lycium Barbarum Fruit Extract Gynostemma Pentaphyllum Leaf/Stem Extract
Oily/Acne-Prone Skin 2/0
Good for oily/acne-prone skin
Lycium Barbarum Fruit Extract Gynostemma Pentaphyllum Leaf/Stem Extract
Sensitive Skin 3/2
Good for sensitive skin
Resveratrol Vaccinium Vitis-Idaea Seed Oil Gynostemma Pentaphyllum Leaf/Stem Extract
Caution for sensitive skin
Nigella Sativa Seed Oil Phenoxyethanol

Ingredients list

25 total
Lower hazard (1) Higher hazard (4)
All25 Skin Conditioning17 Emollient5 Skin Protecting5 Antioxidant5 Hair Conditioning4 Antimicrobial3 Astringent2 Skin Conditioning Emollient2
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
Mandelic Acid
(Antimicrobial)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
Camellia Sinensis Extract
(Antioxidant, Bleaching, Skin Conditioning)
Vitis Vinifera Seed Extract
(Anti Seborrheic, Antimicrobial, Antioxidant, Oral Care, Skin Protecting, Uv Absorber)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
Rosa Canina Seed Oil
(Skin Conditioning Emollient)
Nopalea Cochenillifera Extract
(Skin Conditioning)
1
A
Punica Granatum Seed Oil
(Emollient)
Helianthus Annuus Seed Oil
(Fragrance, Skin Conditioning, Skin Conditioning Emollient)
PERSEA GRATISSIMA OIL
(Skin Conditioning)
1
A
Sclerocarya Birrea Seed Oil
(Hair Conditioning, Humectant)
1
Vaccinium Vitis-Idaea Seed Oil
(Antioxidant, Skin Conditioning, Emollient, Skin Protecting)
1
A
Moringa Oleifera Seed Oil
(Emollient, Skin Conditioning)
1
Bakuchiol
(Cosmetic Biocide, Antimicrobial)
1
Nigella Sativa Seed Oil
(Emollient, Perfuming, Skin Conditioning)
1
Resveratrol
(Antioxidant, Skin Protecting)
Gynostemma Pentaphyllum Leaf/Stem Extract
(Antioxidant, Astringent, Emollient, Hair Conditioning)
1
Lycium Barbarum Fruit Extract
(Astringent, Hair Conditioning, Skin Conditioning)
PALMITOYL TETRAPEPTIDE-10
(Skin Conditioning)
1
A
Palmitoyl Tetrapeptide-7
(Skin Conditioning)
Azadirachta Indica Seed Oil
(Skin Conditioning)
Fungal Acne
Fungal Acne Trigger

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Antioxidants
Shields skin from free radical damage.
Peptides
Supports skin hydration and improves firmness.
AHA
Exfoliates skin for a brighter complexion.
Niacinamide
Strengthens, smooths, and brightens skin.
Hyaluronic Acid
Hydrates by attracting and holding water.
Bakuchiol
Encourages gentle skin renewal and boosts firmness.
Show all 6 key ingredients

Benefits

HydratingBoosts hydration and relieves dry, tight skin.
Reduces IrritationEases discomfort and supports skin resilience.
Anti-AgingSoftens lines and helps skin look youthful.
Redness ReducingSoothes visible redness and calms irritation.
BrighteningRestores radiance to dull, tired skin.
Scar HealingImproves the look of marks and scars.
Skin TextureSmooths rough patches and refines texture.
Good For Oily SkinBalances oil and helps reduce shine.

Concerns

Contains paraben
Not fungal acne (malassezia) safe

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Mandelic Acid
Antimicrobial
Low-hazard ingredient.Read moreShow less
EWG 1 Antimicrobial
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Camellia Sinensis Extract
Antioxidant, Bleaching
Limited public safety data.Read moreShow less
EWG N/A AntioxidantBleachingSkin conditioning
Vitis Vinifera Seed Extract
Anti seborrheic, Antimicrobial
Limited public safety data.Read moreShow less
EWG N/A Anti seborrheicAntimicrobialAntioxidantOral careSkin protectingUv absorber
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
Rosa Canina Seed Oil
Skin conditioning emollient
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning emollient
Nopalea Cochenillifera Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Punica Granatum Seed Oil
Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emollient
Helianthus Annuus Seed Oil
Fragrance, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A FragranceSkin conditioningSkin conditioning emollient
PERSEA GRATISSIMA OIL
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Sclerocarya Birrea Seed Oil
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningHumectant
Vaccinium Vitis-Idaea Seed Oil
Antioxidant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AntioxidantSkin conditioningEmollientSkin protecting
Moringa Oleifera Seed Oil
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientSkin conditioning
+ 7 more — see the full ingredients list above
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Azadirachta Indica Seed Oil
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning Fungal-acne trigger

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.
  • 3 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

Mandelic Acid

INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.

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