ISOI ACNI Dr. 1st Control Serum

What is this product?

A Korean leave on serum for breakout prone skin from ISOI's Acni Doctor 1st line, sold as a 40 ml unit from the brand's own storefront. It is a light emulsion: water, glycerin and plant fermented ethanol lead, with a small oil phase of caprylic capric triglyceride and macadamia seed oil and two stearate emulsifiers. Thirteen plant extracts follow, including willow bark, sophora root, sea buckthorn, houttuynia, centella and licorice root, plus lemon scented tea tree oil and a declared citral entry from that oil, alongside sodium hyaluronate and allantoin. No fragrance entry is printed. The copy claims acne prone suitability, a sensitive skin irritation test and figures for cooling, calming and hydration, but none of the test details appear in text on the page. No level for any active and no pH are disclosed, and no lived use reports were collected.

What makes it different?

Within its own line, the plant set is shared with the brand's Acni Doctor sheet mask, 18 of 32 entries in common, so the extracts are not what separates it. What does is the base: an emulsion carrier with a small oil phase and two stearate emulsifiers, plus sodium hyaluronate and allantoin, in a daily leave on format. The formula also carries plant fermented ethanol third and an essential oil with a declared citral component, which matters for reactive skin, and the page's many test figures come without their test details.

What is in it?

The full ingredient list as the brand publishes it, in the printed order. Each name links to what we know about that ingredient.

This brand publishes its ingredient list in Korean only. Names below are the matching INCI names from the Korean Cosmetic Association ingredient dictionary, except 4 with no dictionary entry, left in Korean.

Key ingredientWorth a closer look

• Water
• Glycerin
• 에탄올(식물발효)
• Caprylic/Capric Triglyceride
• Betaine
• Macadamia Ternifolia Seed Oil
• Cetearyl Alcohol
• Glyceryl Stearate
• Salix Alba (Willow) Bark Extract
• Sophora Flavescens Root Extract
• Hippophae Rhamnoides Fruit Extract
• Houttuynia Cordata Extract
• Rosa Damascena Flower Water
• Leptospermum Petersonii Oil
• Sodium Hyaluronate
• Xanthan Gum
• Allantoin
• Hedera Helix (Ivy) Extract
• 신선초추출물
• 바오밥나무잎추출물
• Castanea Crenata (Chestnut) Shell Extract
• Centella Asiatica Extract
• Arginine
• Carbomer
• Calendula Officinalis Flower Extract
• Butylene Glycol
• 1,2-Hexanediol
• Sorbitan Stearate
• Scutellaria Baicalensis Root Extract
• Paeonia Suffruticosa Root Extract
• Glycyrrhiza Glabra (Licorice) Root Extract
• 시트랄※

Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.

We could not place these in the list above: 레몬향티트리오일, 마카다미아씨오일, 글리세릴스테아레이트, 솔비탄스테아레이트

Did the ad claims hold up?

We checked 22 lines this product advertises against the ingredient list and public documents. 3 of them look likely, though none are proven outright.

Claims translated from Korean, originals preserved.

Each line is quoted as the brand published it, and each one was read on its own against the ingredient list and the documents the brand publishes.

How we read these lines

What else is worth seeing?

Products we read alongside this one.

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