Ask ChokChok AI
Get instant answers about My Signature Red C Serum
Try asking
Where to Buy
We’re still tracking retailers for this one. In the meantime:
Get instant answers about My Signature Red C Serum
Try asking
We’re still tracking retailers for this one. In the meantime:
Tia'm's cult vitamin C serum — 5% L-Ascorbic Acid + niacinamide + Centella asiatica extract in a buffered formulation. The 5% LAA concentration is genuinely lower-irritation than 15-20% alternatives, making this one of K-beauty's more sensitive-skin-friendly vitamin C entries. Reddit cult favorite for years.
Other routine steps with complementary ingredients.
Side-by-side ingredient breakdowns vs. the closest alternatives.
In-clinic and at-home treatments that use the same active ingredients.

A 24-karat-gold-plated microchannel device that delivers custom serum cocktails — usually micro-doses of Botox, hyaluronic acid, vitamins, and peptides — into the upper dermis.

Microneedling's gentler, no-downtime sister — a silicone-tip cartridge oscillating at ~150,000 vibrations/min that pushes serums into the epidermis without piercing the skin.

A cocktail of vitamins, amino acids, and hyaluronic acid injected into the superficial dermis — French-born, globally adopted, endlessly remixed.
Guide
Biologique Recherche's Lotion P50 is the most polarizing product in French beauty — a multi-acid exfoliant that smells terrible, costs €70+, and has a waitlist at certain spas. We decode the formulation, the versions, the correct usage, and whether the cult reputation matches the clinical reality.
Read more →
Guide
Spain has the deepest eye-cream bench in global beauty. We rank twelve eye treatments from Mesoestetic, ISDIN, Endocare, Natura Bissé, Sesderma, MartiDerm, Bella Aurora, Xhekpon, and BABÉ — from €8 pharmacy legends to €180 spa-grade formulas.
Read more →
Guide
Propolis isn't a single ingredient — it's a category that varies dramatically by geographic source. Korean propolis (collected from Korean poplar resin) and Brazilian green propolis are flavonoid-rich and built around CAPE (caffeic acid phenethyl ester); European propolis is poplar-resin-based with a different antioxidant profile. K-beauty brands like Cosrx, Beauty of Joseon, By Wishtrend, and CNP have built propolis-led lines that prove the geographic source matters.
Read more →
My Signature Red C Serum by TIAM is formulated for dull, normal, combination skin. Tia'm's cult vitamin C serum — 5% L-Ascorbic Acid + niacinamide + Centella asiatica extract in a buffered formulation. The 5% LAA concentration is genuinely lower-irritation than 15-20% alternatives, making this one of K-beauty's more sensitive-skin-friendly vitamin C entries. Reddit cult favorite for years.
The key active ingredients in My Signature Red C Serum are Centella Asiatica, Niacinamide, Vitamin C. It's known for: 5% L-Ascorbic Acid + niacinamide combination and Centella secondary calming base.
Yes, My Signature Red C Serum targets dullness, hyperpigmentation. 5% L-Ascorbic Acid + niacinamide combination
My Signature Red C Serum retails for around $24, which places it in the mid range for serums. Check the "Where to Buy" section above for current retailer prices.
The main drawbacks to be aware of: 5% concentration delivers slower visible results vs higher LAA; L-Ascorbic Acid stability requires careful storage; Tia'm packaging feels dated vs modern K-beauty competitors.
A suggested daily routine featuring this product, with complementary picks.
Snail & Azulene Low pH Cleanser
TIAM · cleanser
Gokujyun Premium Hyaluronic Acid Lotion
Hada Labo · toner
Vegan Kombucha Tea Essence
Dr. Ceuracle · essence
My Signature Red C Serum
TIAM · serum
Ceramide Ato Concentrate Cream
Illiyoon · moisturizer
Anthelios UVMune 400 Invisible Fluid SPF50+
La Roche-Posay · sunscreen
Ceramide Ato Concentrate Cream
Illiyoon · moisturizer