Retinol · milligrams per bottle

How much retinol is actually in the bottle?

A 1% serum and a 0.1% cream can sit on the same shelf at the same price. This table turns the label into milligrams, so you can see what you are paying for.

Most retinol per bottle

300 mg

The Ordinary Retinol 1% in Squalane, 30 mL

Least in this table

20 mg

COSRX The Retinol 0.1 Cream, 20 mL

Gap between them

15×

Same ingredient, similar-sized bottles

10 products, most retinol first

#	Product	Label	Size	Retinol per bottle	Strength	Check the price
1	The OrdinaryRetinol 1% in Squalane1% · 30 mL	1%	30 mL	300 mg	High (0.5%+)	Brand site
2	The OrdinaryRetinol 0.5% in Squalane0.5% · 30 mL	0.5%	30 mL	150 mg	High (0.5%+)	Brand site
3	COSRXThe Retinol 0.5 Oil0.5% · 20 mL	0.5%	20 mL	100 mg	High (0.5%+)	Search on Amazon
4	IOPERetinol Expert 0.5% Ultimate Concentrate0.5% · 15 mL	0.5%	15 mL	75 mg	High (0.5%+)	Brand site
5	IOPERetinol Expert 0.3% Wrinkle Corrector0.3% · 20 mL	0.3%	20 mL	60 mg	Mid (0.2–0.3%)	Brand site
6	SKIN1004Retinol 0.2 Boosting Shot Ampoule0.2% · 30 mLAlso contains retinal; that amount is not disclosed.	0.2%	30 mL	60 mg	Mid (0.2–0.3%)	Search on Amazon
7	The OrdinaryRetinol 0.2% in Squalane0.2% · 30 mL	0.2%	30 mL	60 mg	Mid (0.2–0.3%)	Brand site
8	IOPERetinol Expert 0.1%0.1% · 30 mL	0.1%	30 mL	30 mg	Starter (0.1% or less)	Brand site
9	celimaxThe Vita A Retinol Shot Tightening Serum0.1% · 30 mL	0.1%	30 mL	30 mg	Starter (0.1% or less)	Search on Amazon
10	COSRXThe Retinol 0.1 Cream0.1% · 20 mL	0.1%	20 mL	20 mg	Starter (0.1% or less)	Search on Amazon

What does one milligram cost you?

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Product Price you see (US$)

Read this first

These are label claims. Nothing here was lab-tested.
More milligrams is not better skin. Higher strengths irritate more, and most people start at 0.1% or lower.
Versions sold in different countries can differ. We list the percentage and size printed on the product named here.
Retinol per bottle = size × labeled %, with 1 mL treated as 1 g.