Using SK-II essence as a serum, trial size is 1 oz for ~$20 which isn’t very pricey.
1
SK-II - Facial Treatment Essence
2
Aveeno - Sensitive Skin SPF 50 Mineral Sunscreen Stick
1
florence by mills - Swimming Under the Eyes Gel Pads
1
Cetaphil - Hydrating Foaming Cream Cleanser
2
SK-II - Facial Treatment Essence
3
TIA'M - Snail & Azulene Sleeping Mask
1
Retin-A cream 0.05% - Tretinoin