Tromethamine
Tromethamine is a buffering and masking ingredient. It’s in 130 products on Poliage, most often moisturizer, mascara and serum. Avoid lists on Poliage that include it: none.
Updated October 21, 2026
In plain English
Tromethamine: used to hold the pH steady.
What it does
Contains Tromethamine: buffering
Function listed in CosIng
Contains Tromethamine: masking
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 80438, accessed October 22, 2026. Also listed as trometamol.
Products that contain Tromethamine
Laneige
Perfect Renew Nourishing Oil-to-Foam Cleanser
Cleanser · Lists fragrance, coconut derivatives
Freeman
Plumping Collagen Facial Sheet Mask
Mask · Lists fragrance
Black Opal
Pore Perfecting Liquid Foundation for All Skin Types
Foundation · Lists silicones
Peach & Lily
Power Cocktail Lactic Acid Repair Serum for Face - Korean
Serum · Lists exfoliating acid
Haruharu Wonder
Probiotics Barrier Essence / Unscented
Toner · None of Poliage’s flag groups listed
COSRX
RED RICE INOSITOL Exfoliating Care Pore Wash-Off Peel Serum
Exfoliant · Lists drying alcohol, exfoliating acid, salicylic acid
Peach & Lily
Redness Relief Soothing Serum - Oil-Free
Serum · None of Poliage’s flag groups listed
Peach & Lily
Rescue Party Barrier Comfort Cream | Skin Barrier Cream
Moisturizer · None of Poliage’s flag groups listed
RoC
RETINOL CORREXION® Line Smoothing Eye Cream
Eye cream · Lists retinoid
Anua
Rice 70 Glow Milky Toner
Toner · Lists silicones
Medicube
Salmon DNA Milky Toner
Toner · None of Poliage’s flag groups listed
sephora
Lists fragrance, fragrance allergens, exfoliating acid, salicylic acid
sheet mask
Lists fragrance
Renee Rouleau
Skin Recovery Balm
Moisturizer · Lists silicones
Renee Rouleau
Skin Recovery Lotion
Moisturizer · Lists essential oils, silicones
Yves Rocher
Solaire peau parfaite 50+
Lists fragrance, fragrance allergens, silicones, chemical UV filters
Torriden
SOLID IN Cream
Moisturizer · Lists silicones
Torriden
SOLID IN Essence
Toner · None of Poliage’s flag groups listed
Haruharu Wonder
Soothing Serum
Serum · Lists silicones
Axis-Y
Triple PDRN Gel Toner
Toner · Lists exfoliating acid, retinoid
Tula
TULA bedtime bright
Lists exfoliating acid
First Aid Beauty
Ultra Repair Rescue Barrier Balm with Dimethicone
Moisturizer · None of Poliage’s flag groups listed
Hourglass
Unlocked Instant Extensions Mascara
Mascara · Lists drying alcohol, silicones
Victoria Beckham Beauty
Vast Lash Mascara
Mascara · None of Poliage’s flag groups listed
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