Simple

Booster Serum 10% Niacinamide (Vitamin B3) 30ml

Name: Simple Booster Serum 10% Niacinamide (Vitamin B3) 30ml
Brand: Simple

30ml

Quick Summary

Best forNot stated by the brand

Worth notingNo fragrance listed

Key ingredientsNiacinamide, Panthenol (Pro-Vitamin B5), Glycerin

OverallThis Simple serum features niacinamide (barrier-supporting), panthenol (soothing) and glycerin (hydrating). No fragrance is listed in its ingredients.

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Ingredient Analysis

19 of 19 ingredients identifiedNo fragrance listed

Key ingredients

Niacinamide Panthenol (Pro-Vitamin B5)Glycerin

Full ingredient list (19) — tap a highlighted ingredient to learn more

Aqua Solvent & base Generally gentle
Niacinamide Barrier support & even tone Generally gentle
Propanediol Humectant & solvent All skin types
Caprylic/Capric Triglyceride Emollient & skin softener Generally gentle
Glycerin Humectant & moisturiser Generally gentle
Panthenol Soothing humectant Generally gentle
Tapioca Starch Oil absorption & mattifying Generally gentle
Coco-Caprylate Emollient & skin softener Generally gentle
Polyglyceryl-6 Distearate Emulsifier (PEG-free) Generally gentle
Dicaprylyl Ether Emollient & skin softener Generally gentle

Show the other 9 ingredients

Caprylyl Glycol Humectant & preservative booster Generally gentle
Helianthus Annuus Seed Oil Emollient plant oil Generally gentle
Sclerotium Gum Natural thickener Generally gentle
Phenoxyethanol Preservative All skin types
Citric Acid pH adjuster All skin types
Polyglyceryl-10 Stearate Emulsifier (PEG-free) Generally gentle
Sodium Hydroxide pH adjuster All skin types
Pantolactone Humectant Generally gentle
Tocopherol Antioxidant & conditioning Generally gentle

Ingredients from the Boots.com listing, checked 19 Oct 2026, in INCI order. Brands reformulate, so check the pack if you react to an ingredient. Highlighted ingredients link to our guide. Informational only — not medical advice.

Common questions

Is Simple Booster Serum 10% Niacinamide fragrance-free?

Yes. No fragrance, essential oils or fragrance allergens are listed in its ingredients.

Does Simple Booster Serum 10% Niacinamide contain alcohol?

No drying alcohol (alcohol denat. or ethanol) is listed.

Is Simple Booster Serum 10% Niacinamide safe for fungal acne?

It contains 3 ingredients that fungal-acne (Malassezia) guides usually avoid: fatty-acid esters & glycerides (polyglyceryl-6 distearate, polyglyceryl-10 stearate); plant oils & butters (helianthus annuus seed oil). How much they matter depends on the amount and the rest of the formula. The evidence comes mainly from lab studies of yeast growth, and fungal acne needs a diagnosis from a GP or dermatologist.

Is Simple Booster Serum 10% Niacinamide suitable for sensitive skin?

Its ingredient list avoids the most common irritants: no fragrance, essential oils, drying alcohol or strong exfoliating acids are listed. Reactions are individual, so patch-test anything new.