Isoi
Isoi
Acni Dr. 1st Control Serum 40ml
Step 3 of 7 · Treat in your K-beauty routine
The effect of soothing 4 stimuli that occur in daily life with just one use Chemical irritation -57% Physical stimulation -44% Thermal stimulation -35% UV stimulation -12% Immediately after application, skin temperature is reduced by 3℃, cooling immediately Immediately soothes the redness of irritated and sensitive skin Sensitive skin can be safely used without irritation Quick soothing and oil-moisture balance adjustment restore pH balance
High-Potency Targeted Treatment
Delivers a concentrated payload of actives directly to skin's deeper layers — far beyond what a moisturiser can reach
Barrier Repair with Centella
Madecassoside and asiaticoside work together to calm redness, reduce inflammation, and actively rebuild the damaged skin barrier
Sourced Direct from Korea
100% authentic, procured directly from licensed Korean brand partners and distributors — never via grey-market or third-party resellers
Free Shipping
On all orders over $60. Same-day dispatch for orders placed before 2 pm.
Easy Returns
Not in love with it? Return within 14 days for a full refund, no questions asked.
100% Authentic
Every product sourced directly from Korean brand partners and licensed distributors.
Complete your Isoi routine
More from this brand to build out your full skincare ritual








