THE LAB by blanc doux Oligo Deep Toner
Ingredients and claims, checked
Last checked September 2, 2026
Other stores (2)
- AmazonShips to the US
- Korean brand site (in Korean)
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What is it like at a glance?
What the ingredients do
Hydration leads, with 4 of 15 ingredients.
By skin type
- DryUse with care
- OilyNeutral
- CombinationGood fit
- SensitiveGood fit
Piboo’s rating from user reports.
Made for
What is this product?
- Key ingredients
- Beta-Glucan, Betaine, Hyaluronic Acid 0.27%
- When
- Morning and evening
A watery hydrating toner made with hyaluronic acid. It sinks into the skin quickly. It comes in 200 ml, 300 ml and 500 ml sizes.
Who is it for?
Good for
- Dehydrated oily skin
- Sensitive skin
- Combination skin that wants light hydration
Less suited to
- Very dry skin that needs a heavy, sealing moisturizer
What's good?
Good points
- Contains Hyaluronic Acid 0.27%
- Beta-glucan, betaine and hyaluronic acid add moisture
How do you use it?
- Where in your routine
- First leave-on step after cleansing, hydrating toner
- Pairs well with
- A ceramide or squalane cream as the sealing step
- A niacinamide or centella serum
- A morning sunscreen of either filter class
What is in it?
The full ingredient list as the brand publishes it, in the printed order. Tap a name to read about that ingredient.
Key ingredient
- Water
- Butylene Glycol
- 1,2-Hexanediol
- Glycerin
- Beta-Glucan
- Betaine
- Sodium Hyaluronate
- Panthenol
- Sorbitol
- Acetyl Glucosamine
- Glucuronic acid
- Allantoin
- Tocopherol
- Ethylhexylglycerin
- Disodium EDTA
Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.
What the claims add up to
- Don't count on:
- better hydration
See each claim, checked (7)
Claims, checked
A toner that fills moistness freshly
backed by evidenceWith almost none of the stickiness, sliminess or sitting-on-top feeling characteristic of hyaluronic acid, it absorbs snugly into the skin and fills moisture layer by layer.
backed by evidenceTexture: a watery texture that flows lightly.
backed by evidenceFragrance: it is a fragrance free product.
backed by evidenceMeet a toner that delivers rich moisture deep into the skin without inner tightness.
overstatedIt is packed with low molecular weight hyaluronic acid, made smaller and smaller from hyaluronic acid, the ingredient that draws in moisture.
overstatedA cosmetic nerd brand that concentrates on efficacy and effect
nothing specific to check
We quote each claim exactly as the brand published it, then check it against the ingredient list and the brand's own documents.
What else is worth seeing?
Products we read alongside this one.
Which articles cover it?
Articles on this site that write about this product.
- Does the 7 skin method actually work?Seven layers of toner does something real and smaller than the name suggests. What repetition changes, and which Korean toners can take it without a problem.
- How to check a dupe claim yourself in about two minutesDupe videos compare front labels. Here is the four step check that compares the backs instead, run on three Korean hyaluronic acid toners that look identical.
- Skin flooding is decided by the last layer, not the firstLayering hydration on damp skin only holds if something seals it. Here is the mechanism, plus four Korean labels read to see which ones can take repeat layers.