What is the full ingredient list?

Water, Butylene Glycol, Glycerin, Pentylene Glycol, Propanediol, Chondrus Crispus Extract, Saccharum Officinarum (Sugarcane) Extract, Sea Water, 1,2 Hexanediol, Protease, Betaine, Panthenol, Ethylhexylglycerin, Allantoin, Xanthan Gum, Disodium EDTA.1

What do the main ingredients do?

IngredientMain role
GlycerinA humectant, meaning an ingredient that attracts and binds water to skin.
Sea WaterHelps maintain the skin's moisture balance.
Panthenol, Allantoin and BetaineProvide soothing care.
Chondrus Crispus ExtractRed algae extract containing protein, vitamins and antioxidants.
Saccharum Officinarum (Sugarcane) ExtractHelps keep skin hydrated.
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Round Lab positions Dokdo Toner as hydrating, soothing and gently exfoliating. Its sea water comes from around Ulleungdo Island and contains minerals including magnesium, calcium and zinc. Ingredient percentages and a timeline for visible results are not specified. The texture is watery rather than sticky, so the toner does not need to announce its presence with a layer of glue.13

Does it contain fragrance or exfoliating acids?

The full ingredient list has no entry named fragrance, parfum, glycolic acid or salicylic acid. Protease and sugarcane extract are listed, but no exfoliating acid percentage is given. Round Lab describes the toner as unscented. That term alone is not the same as fragrance free: unscented cosmetics can contain ingredients that mask other smells. If you have a diagnosed ingredient allergy, compare the full list with the specific ingredient you need to avoid.14

How do you use Dokdo Toner?

  1. 1Cleanse your face first.
  2. 2Round Lab tells you to soak a cotton pad with the toner and gently swipe it over your face.
  3. 3For Round Lab's cotton pad treatment, soak the pads and leave them on your face for 5 to 10 minutes.
  4. 4Follow with moisturizer; toner goes between cleansing and moisturizing.
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For general toner application, palm patting is another option: pour a little into your palms and gently pat it onto your face. For extra hydration, let one layer dry before applying another. Extra layers are an option for more hydration, not an admission fee to the rest of your routine. Dokdo's directions do not specify morning versus evening use or a daily application count.3

What if your skin is sensitive?

Round Lab markets Dokdo Toner for sensitive skin and all skin types. Still, any cosmetic ingredient can cause a contact reaction, and an allergy can develop after years of trouble free use. People with atopic eczema have a higher risk of irritation. Rubbing can worsen existing contact dermatitis, so avoid repeatedly sweeping a cotton pad over already irritated skin.145

Before full face use, apply your usual amount to a small spot on the underside of your arm or elbow bend twice daily for seven to 10 days. Leave it on as you normally would. Choose skin without an existing rash. A home test checks for delayed reactions; it does not rule out immediate allergies, and a negative arm test can miss a reaction on thinner facial skin.67

If testing causes redness, itching or swelling, gently wash the toner off and stop using it. A cool compress or petroleum jelly can help relieve the reaction. See a dermatologist if symptoms are severe or do not settle with those measures. If the trigger is unclear, medical patch testing can help identify the ingredient responsible.6

Where this answer comes from

  1. 11025 Dokdo Tonerroundlab.com
  2. 2Emollients: Creams, Soaps, Moisturizers, Ointments, Benefitsmy.clevelandclinic.org
  3. 3Toner 101: A Comprehensive Guide to Toner | Blogroundlab.com
  4. 4Cosmetics Allergy: Causes, Symptoms, and Treatmentdermnetnz.org
  5. 5Contact dermatitis - Causesnhs.uk
  6. 6How to test skin care productsaad.org
  7. 7Open application testdermnetnz.org