Cosmo Gangnam
ERTY 15 Soothing Ampoule Balancing Sebum Control — Oily & Acne-Prone
ERTY 15 Soothing Ampoule Balancing Sebum Control — Oily & Acne-Prone
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For: Oily & Shine-Prone Skin
Formulation over label appeal: why tapioca starch and centella were chosen for how they work, not for how they trend.
Oily skin often feels uncomfortable in two ways at once: shiny on the surface and irritated-looking underneath. Heavy serums make the shine worse.
ERTY 15 Soothing Ampoule · 30ml / 100ml
Tapioca starch for a matte feel, centella and botanical oils for a calming one.
Tapioca starch and a light silicone base give this ampoule a matte, shine-softening finish. Lavender oil, tea tree leaf oil, centella, scutellaria root, arnica and chamomile extracts form the botanical blend, with a small amount of lactic acid at the end of the list. Available in 30ml and a 100ml professional size. Selected by our in-house pharmacist after a full ingredient review.
What You Feel First
Within 10 Minutes
Skin feels smooth and matte, with less visible shine.
Next Morning
Skin looks calmer and more balanced.
The Concern We Hear Most
"My oily skin reacts to a lot of products. Is this gentle?"
The formula is light and focuses on a matte feel and botanical soothing. Note that it contains lavender oil and tea tree leaf oil, which naturally contain fragrance compounds such as linalool. If you know you react to essential oils, patch test first or choose a fragrance-free alternative.
Week by Week
Days 1–3
Skin feels smooth and less shiny after application.
Week 1
Shine looks softer through the day.
Week 2
Skin looks calmer and more balanced.
Week 4
With daily use, skin looks more balanced and less shiny. Individual results may vary.
The Ingredients Behind It
Tapioca Starch
A plant starch that gives a soft, matte feel and softens the look of shine.
Centella & Scutellaria
Two botanicals popular in Korean skincare for calming the look of skin.
Tea Tree & Lavender Oils
Essential oils traditionally used for oily skin. They naturally contain linalool.
Botanical Blend
Arnica, chamomile, peppermint, rosemary and monarda extracts round out the formula.
Skin Type Fit
More Than a Serum
The 100ml size suits treatment rooms, where it works as a calming, mattifying step in a facial for oily-skinned clients. At home, it doubles as a light makeup-prep layer that keeps shine down.
A light, matte, calming step for oily skin.
Why Our Pharmacist Chose This
"For oily skin, a light ampoule with a matte feel is easier to use every day than a heavy serum. The essential oils are worth knowing about if you are sensitive."
— Our In-House Pharmacist
Licensed Korean Pharmacist & Customized Cosmetics Preparation Manager. Every product on cosmogangnam.com passes our in-house pharmacist's ingredient review before listing.
Frequently Asked Questions
Does it contain fragrance?
There is no added fragrance, but it contains lavender oil and tea tree leaf oil, and linalool from those oils. Patch test first if you are sensitive to essential oils.
Can I use it under makeup?
Yes. Its matte finish works well as a light prep layer before SPF and makeup.
Complete Your Routine
→ Follow with a light gel moisturiser and a daily SPF.
How to Use
1Cleanse and apply toner.
2Dispense 2–3 drops onto your fingertips.
3Press gently over the face, focusing on the T-zone.
4Follow with a light moisturiser. Use SPF in the morning.
Patch test: apply a small amount to the inner arm and wait 24 hours before first full use. Discontinue use if irritation occurs.
Product Details
| Brand | ERTY |
| Size | 30ml / 100ml |
| Origin | Made in South Korea |
| Skin Type | Oily, Combination, Normal |
| Use | AM / PM |
| Key Ingredients | Tapioca Starch, Centella Asiatica Extract, Tea Tree Leaf Oil, Lavender Oil, Scutellaria Baicalensis Root Extract |
| Fragrance | No added fragrance (contains essential oils, linalool) |
| Regulatory | Cosmetic · MFDS (Korea Ministry of Food & Drug Safety) compliant |
| Pregnancy | Consult your healthcare provider before use |
| Full Ingredients | Water, Cyclopentasiloxane, Glycerin, Tapioca Starch, Methylpropanediol, Cetyl PEG/PPG-10/1 Dimethicone, Dimethiconol, Xanthan Gum, 1,2-Hexanediol, Sodium Stearoyl Glutamate, Sodium Chloride, Butylene Glycol, Illicium Verum (Anise) Fruit Extract, Lavandula Angustifolia (Lavender) Oil, Melaleuca Alternifolia (Tea Tree) Leaf Oil, Linalool, Scutellaria Baicalensis Root Extract, Sorghum Bicolor Leaf/Stem Extract, Centella Asiatica Extract, Arnica Montana Flower Extract, Lavandula Angustifolia (Lavender) Flower Extract, Monarda Didyma Leaf Extract, Mentha Piperita (Peppermint) Leaf Extract, Freesia Refracta Extract, Chamomilla Recutita (Matricaria) Flower Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Decylene Glycol, Lactic Acid, Ethylhexylglycerin |
Batch expiry is checked and shared before shipping.
About this product: ERTY 15 Soothing Ampoule (30ml or 100ml) is a light Korean ampoule for oily and shine-prone skin. It combines tapioca starch for a matte feel with centella, scutellaria, tea tree leaf oil and lavender oil, with no added fragrance. Part of the cosmogangnam.com professional line, selected by our in-house pharmacist, and shipped from South Korea.
Individual results may vary. This product is a cosmetic and is not intended to diagnose, treat, cure, or prevent any skin condition or disease.
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