Hello, ask for advice 1. I see some substances tell me to mix in that PH value. Where can we look at the PH value before mixing each substance? 2. Please take a look. Should they be used together or which one should be substituted? for the features it does not complement each other for the value of the results 3. These substances can be stirred by hand, can people mix by themselves or not? (No mixer) 4. Substance
RETINAT™ (Starfish Extract) not find in the system. Is it still available? ------- Goal Make a face cream 1 formula Expected result Help
ลดริ้วรอย Brighter face Made it and kept it for 2 years. The interested substances are as follows: Group
anti-aging 1.
ActiveRelease Retinal™ 2.
Safe-B3 ™ (
Vitamin B3, Niacinamide ) 3.
GlucoBright™ (
Acetyl glucosamine ) 4.
Madecassoside -80 (
Centella Asiatica Extract ) group
whitening 5.
Alpha Arbutin Switzerland grade or China grade, which one should I choose?