iHerb.com - Customer Questions & Answers
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Questions & Answers
Showing 22 questions and answers
iHerb Customer
February 28 2021
hi can I know when the stock will be in?
iHerb Customer
March 7 2021
Best Answer
good
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iHerb Customer
February 17 2021
Selamat
iHerb Customer
March 7 2021
Best Answer
Pleasant to use
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iHerb Customer
January 28 2021
what is the concentration of Retinol in this serum
iHerb Customer
March 7 2021
Best Answer
The bottle does not say
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Safiah
January 8 2021
Can I use it on the under eyes area?
iHerb Customer
January 20 2021
Best Answer
Yes. It is mild.
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iHerb Customer
December 3 2020
May i know the concentration of retinol in this product? thank you.
mmaajy
December 16 2020
Best Answer
Less than 0.2%
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iHerb Customer
November 14 2020
Is the retinal pure? Pure retinal?
iHerb Customer
February 23 2021
Best Answer
I don’t think it is pure!
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danmoura
October 25 2020
Hello! What's the concentration of Retinol? Thanks
iHerb Customer
November 9 2020
Best Answer
not clear.Reduce by about 5-16%, ,
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iHerb Customer
October 7 2020
how much i can use it and how to dilute it?
iHerb Customer
October 8 2020
Best Answer
After cleansing gently apply a thin layer to face and neck
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iHerb Customer
June 8 2020
how many percent of retinol
iHerb Customer
June 8 2020
Best Answer
0.2
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iHerb Customer
June 1 2020
What is the concentration of retinol?  
iHerb Customer
June 1 2020
Best Answer
0.03%
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