SOS Serum
Serum

SOS Serum

TIRTIR

4.9(26 reviews)Verified
$43.0050ml
Is this right for your skin? Ask Yuri, free, no signup

A soothing hydrating serum with hyaluronic acid, polyglutamic acid, and peptides that calms irritation while delivering deep moisture. Formulated with Centella Asiatica and witch hazel for sensitive or stressed skin.

Key Ingredients

WaterAqua

Solvent and base for formulations

Dipropylene Glycol

Solvent and humectant for ingredient delivery

Glycerin

Humectant that attracts and retains moisture

Active
Witch Hazel ExtractHamamelis Virginiana (Witch Hazel) Extract

Astringent and anti-inflammatory soothing agent

Active
Hyaluronic AcidSodium Hyaluronate

humectant, hydration

+ 15 more ingredients

Ingredient Effectiveness Data

Editorial baseline from K-beauty clinical research and community consensus. Real subscriber reports layer on as the community grows.

Centella Asiatica Extractfor redness (sensitive skin)
85%

Frequently Asked Questions

What are the key ingredients in SOS Serum?

The key active ingredients in SOS Serum by TIRTIR include Glycerin (Humectant that attracts and retains moisture), Witch Hazel Extract (Astringent and anti-inflammatory soothing agent), Polyglutamic Acid (Humectant that enhances moisture retention), Licorice Root Extract (Brightening and anti-inflammatory active ingredient), Rosemary Leaf Extract (Antioxidant and skin conditioning agent). Drawing on K-beauty research and community consensus, key ingredients show 85% effectiveness for redness in sensitive skin types. Seoul Sister tracks ingredient effectiveness across 5,900+ K-beauty products to provide data-backed recommendations.

Is SOS Serum good for sensitive skin?

SOS Serum is a Korean serum by TIRTIR. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 20 ingredients against your specific skin type, concerns, and known allergens to provide a personalized compatibility score. Common irritant ingredients like fragrance, alcohol denat, and essential oils are flagged automatically.

Is SOS Serum good for oily skin?

For oily skin, the key factors in evaluating SOS Serum are comedogenic ingredient ratings, oil content, and finish type. This serum contains 13 active ingredients. Seoul Sister's database cross-references each ingredient's comedogenic rating (0-5 scale) against your skin type to identify potential pore-clogging risks. Subscribe for a personalized oily skin compatibility analysis.

How much does SOS Serum cost?

SOS Serum by TIRTIR was last seen at $43.00 USD for 50ml at a store that ships to the US (Soko Glam). Prices change often, so check the store for today's price. Seoul Sister does not sell products.

Where to buy SOS Serum?

SOS Serum by TIRTIR is sold in the US at Soko Glam. Buy from an authorized retailer or the brand's own site rather than an open marketplace. Olive Young Global ships to most countries but no longer ships to the US. Seoul Sister tracks counterfeit indicators to help you buy genuine Korean skincare. We are an advice platform and never sell products ourselves.