Serums
Load 1 to 4. One active each, at a stated strength, so the number on the carton means something you can add up.
6 products · USD
TR-01Load 2
Ascorbic 15
15% L-ascorbic acid with ferulic acid and vitamin E
$52.00
TR-02Load 1
Niacinamide 5
5% niacinamide with zinc PCA
$28.00
TR-03Load 0
Water Layer
Multi-weight hyaluronic acid and glycerin
$30.00
TR-04Load 2
Azelaic 10
10% azelaic acid in a cream base
$34.00
TR-05Load 4
Retinal 0.04
0.04% encapsulated retinaldehyde, the starting strength
$62.00
TR-06Load 5
Retinal 0.1
0.1% encapsulated retinaldehyde, for skin already adjusted
$74.00