Formula · 8.0

Brand · 8.2

VOIS · toner, nine ingredients · China

VOIS Prebiotic Restoring Tonic

VOIS Prebiotic Restoring Tonic
8.0

LabReadAI label score

How the score is calculated
  • Actives and evidence0.8Effect moderately supported
  • Active concentration1.0The active sits above the 1 % line — by list order a working concentration is 100 % likely
  • Completeness for the purpose0.5For “hydration” — 54 %; below threshold: dryness and a damaged barrier; a formula with one main purpose
  • Tolerance1.0No ingredients from irritant or allergen lists
  • adults
  • pregnancyallowed per the leaflet
  • sensitive skin
  • atopic skin
  • dry skin
  • oily skin
  • vegetariansplant-based capsule
Free from:
  • alcohol (alcohol denat) · by the listthe list has no ingredient of the “denatured alcohol” group — evaporates fast and degreases; frequent contact can dry the skin — a tolerance question, not a regulatory one; does not clog pores
  • sulfates (SLS/SLES) · by the listthe list has no ingredient of the “ammonium laureth sulfate (ALES), ammonium lauryl sulfate (ALS), sodium coco-sulfate, sodium laureth sulfate (SLES), sodium lauryl sulfate (SLS), sodium myreth sulfate, TEA-lauryl sulfate” group — a cleansing surfactant from the sulfate family but with an ethoxylated chain: it cleanses more gently than lauryl sulfate. Still not for those looking for a sulfate-free product.
  • formaldehyde releasers · by the listthe list has no ingredient of the “formaldehyde releasers” group — preservatives that slowly release formaldehyde; allowed at low levels but a frequent cause of contact allergy
  • isothiazolinones (MIT/MCI) · by the listthe list has no ingredient of the “isothiazolinone preservatives (MIT/MCI)” group — preservatives; banned in EU leave-on products and limited in rinse-off (0.0015%) — a frequent cause of contact allergy
  • parabens · by the listthe list has no ingredient of the “parabens” group — preservatives; methyl- and ethylparaben are recognised as safe at permitted levels, propyl- and butyl- are limited by the EU to 0.14 %; a frequent buyer question rather than proven harm
  • fragrance · by the listthe list has no ingredient of the “fragrance and its allergens” group — the fragrance and its aromatic components; the EU requires 26 of them to be listed separately — matters to people allergic to fragrance, does not affect how the product works
  • mineral oils and petrolatum · by the listthe list has no ingredient of the “petrolatum and mineral oils” group — purified cosmetic-grade petroleum products: form a protective barrier film; safety is established, a preference question; 0–2 of 5 (depends on the raw-material source), cosmetic white oil per DiNardo (2005) is non-comedogenic
  • soap · by the listthe list has no ingredient of the “potassium soap (potassium cocoate), plant soap base (sodium palmate, sodium cocoate), tallow soap base (sodium tallowate)” group — liquid soap: fatty acids boiled with alkali. It cleanses well, but its acidity is around 9-10 against 5 for skin, which is why it often leaves tightness. The product is rinsed off, so the question is tolerance.
  • silicones · by the listthe list has no ingredient of the “silicones” group — form a smooth film and shine; inert and not absorbed — a preference question, not a safety one
  • gelatin in the coating · by the listthe list has no ingredient of the “vegetarian coating” group — a plant-based tablet coating instead of gelatin; it keeps moisture out and makes swallowing easier
  • toning dyes · by the listthe list has no ingredient of the “violet toning dyes” group — direct dyes that settle on the hair surface and cancel the yellow cast of blonde; they wash out in 1–3 washes and leave a lilac tint if left too long; HC Blue 2 and Disperse Violet 1 are known contact allergens of hair dyes
  • tar · by the listthe list has no ingredient of the “wood (birch) tar” group — a traditional remedy for dandruff and itching with a sharp smell; it reduces flaking, but can irritate a sensitive scalp and dries the hair
What for: Hydrating products draw water into the upper skin layer (glycerin, hyaluronate, panthenol, ectoin) — one humectant is enough. Without barrier ingredients (niacinamide, ceramides, oils) the effect does not last.
When:
  • leave-on
  • morning
  • evening
morning and evening on damp skin, cream on top
When to expect an effect: hydration — immediately; lasting effect — 2–4 weeks

Ingredients — 10 components · 1 works

What works: 1 of 10 ingredients: hyaluronic acid. Hydrating products draw water into the upper skin layer (glycerin, hyaluronate, panthenol, ectoin) — one humectant is enough. Without barrier ingredients (niacinamide, ceramides, oils) the effect does not last.

Strengths: active concentration, tolerance

What lowers the score: actives and evidence: effect moderately supported; completeness for the purpose: for “hydration” — 54 %

Questions: no debatable ingredients in the formula

  • Aqua base: coating, fillers · water — the solvent and base; listed first because there is more of it than anything else; in supplements — part of the capsule shell
  • Camellia Sinensis (Green Tea) Leaf Water base: coating, fillers · water — the solvent and base; listed first because there is more of it than anything else; in supplements — part of the capsule shell
  • Bifida Ferment Lysate base: coating, fillers · skin-microbiome ferments, prebiotics and formula antioxidants
  • Propylene Glycol base: coating, fillers · humectants and solvents — hold water and help actives dissolve
  • Inulin base: coating, fillers · softens the skin and helps it hold water — the most common role in creams
  • Hyaluronic Acid works · the active ingredient — what the product is for; form: sodium hyaluronate
  • Hydroxypropyl Methylcellulose base: coating, fillers · plant-based capsule or tablet coating
  • Magnolia Officinalis Bark Extract base: coating, fillers · plant and algae extracts and floral waters: flavouring and marketing components — at these shares there is no proven effect on the skin; rare reactions in people allergic to that particular plant
  • Sorbitan Caprylate base: coating, fillers · protect the product from bacteria and mould; used within the EU-permitted concentrations
  • Propanediol base: coating, fillers · a humectant and solvent from corn sugar: it holds water and helps actives dissolve. A gentler replacement for propylene glycol.
  • Benzoic Acid base: coating, fillers · protect the product from bacteria and mould; used within the EU-permitted concentrations

VOIS Prebiotic Restoring Tonic is a product whose active ingredient is hyaluronic acid. The concentration is not declared, but the active sits above the 1 % line in the list — a working share is likely. The effect is moderately supported: hydrates the upper skin layer and smooths fine lines (0.1–2 %); does not reach the dermis. The formula has 10 ingredients, 1 of which does the work; the rest is the formula base. Hydrating products draw water into the upper skin layer (glycerin, hyaluronate, panthenol, ectoin) — one humectant is enough. Without barrier ingredients (niacinamide, ceramides, oils) the effect does not last. By the list, no alcohol (alcohol denat), sulfates (SLS/SLES), formaldehyde releasers, isothiazolinones (MIT/MCI), parabens, fragrance, mineral oils and petrolatum, soap, silicones, gelatin in the coating, toning dyes, tar. Suitable for: adults, pregnancy, sensitive skin, atopic skin, dry skin, oily skin, vegetarians. Use: morning and evening on damp skin, cream on top. When to expect an effect: hydration — immediately; lasting effect — 2–4 weeks. Label score — 8.0 out of 10 (effect moderately supported; for “hydration” — 54 %; below threshold: dryness and a damaged barrier; a formula with one main purpose).

Who it does not suit

When to stop: tightness in dry air — apply under a cream

Is this product right for your skin?

The score describes the formula, not your skin: the same product dries one person and saves another. Describe your skin type, reactions and goals, attach a photo of the ingredient list or the product — we will go through every ingredient and say whether it suits you, what to pair it with and what to avoid.

Cosmetic ingredient checkDecode my tests

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