ilso ER Firming Serum (Retinol) 30ml
$22.27
Clinically proven actives
Dermatologist tested
100% authentic Korean
Cruelty-free
What's inside ·
Hyaluronic Acid, the repair molecule
Hyaluronic acid is a glycosaminoglycan naturally present in the dermis. When applied topically, low-molecular-weight HA penetrates beyond the surface to bind water molecules between skin cells, creating a reservoir effect that keeps skin plump from within. In this ampoule, Hyaluronic Acid targets sensitivity and redness, delivering visibly brightens skin tone and fades uneven patches with consistent use.
Hyaluronic Acid
draws and locks moisture deep within the skin, holding up to 1000x its weight in water
Niacinamide
intercepts melanin transfer to fade spots and refine pore texture from within
Retinol 0.1%
accelerates cell turnover and stimulates collagen synthesis for smoother, firmer skin
Adenosine
promotes collagen synthesis naturally to reduce wrinkle depth over time
The textureHover the swatch — it ripples like water
Lightweight, concentrated serum
Reduces irritation by adding high-content ectoine to pure retinol, caring for the skin barrier.
Contains retinol to help improve the skin, while ectoine protects the moisture barrier and aids in moisturizing and skin improvement.
With 0.1% retinol and 1% ectoine, it has moisture-attracting properties and helps strengthen the moisture barrier to protect the skin from external irritants.
Including 15 moisturizing components with hyaluronic acid and a cream ampoule formulation, it complements the shortcomings.
Contains niacinamide, a functional brightening ingredient, and adenosine, a functional anti-wrinkle ingredient.
How to use
1
Step 1: After cleansing and toning, press 2 to 3 drops onto fingertips.
2
Step 2: Gently pat and press across forehead, cheeks, nose, and chin.
3
Step 3: Allow 30 seconds for full absorption before the next step.
4
Step 4: Follow with moisturizer. Use sunscreen in the morning.
Full transparency
Ingredients
Hyaluronic Acid draws and locks moisture deep within the skin, Niacinamide intercepts melanin transfer to fade spots and refine pore texture from within, and Retinol completes the formula as a accelerates cell turnover and stimulates collagen synthesis for smoother.
The detail
Specs & details
FormatConcentrated ampoule
SizeDefault Title
Skin typesAll Skin Types
Country of originSouth Korea
Pairs beautifully with
Complete the routine
Before you add to cart
Questions & answers
After cleansing and toning, before moisturizer. Ampoules deliver concentrated actives most effectively on freshly prepped skin.
Yes, ampoules are concentrated enough to serve as your primary active step. Follow with moisturizer to seal in benefits.
Most users notice initial improvement within 2 to 4 weeks. For full benefits like visibly brightens skin tone and fades uneven patches, allow 6 to 8 weeks of consistent use.
Your skin begins adjusting. You may notice improved hydration and comfort before more visible changes like texture refinement become apparent.
Yes, this formula is developed to be compatible with all skin types dealing with sensitivity and redness. If you have very reactive skin, patch test on the inner arm before full application.
The formula is designed to be well-tolerated. For pregnancy-specific concerns, consult your healthcare provider. For sensitive skin, patch test before full application.
Hyaluronic Acid draws and locks moisture deep within the skin, holding up to 1000x its weight in water. Consistent daily use is key to seeing the full benefits.
Check the INCI list for the most accurate information on fragrance components. The formula is developed for minimal irritation potential.
Store in a cool, dry place away from direct sunlight. Use within 12 months of opening for optimal freshness and efficacy.
Ampoules typically have a higher concentration of actives than serums. They are designed as intensive treatment boosters, often used during periods when skin needs extra support.
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