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4D Hyaluronic Acid is soluble in water. But it's very difficult to dissolve. People alone are still clumping. Is there a way to easily dissolve it in water-based? I'll make a slap, thank you.

HEPES (hydroxyethyl piperazineethanesulfonic acid) 1) See the name of HEPES as the substance used in SkinCeuticals Is it the same product? HEPES (hydroxyethyl piperazineethanesulfonic acid) HEPES (Hydroxyethylpiperazine Ethane Sulfonic Acid) 2) If they are the same, are they the same properties bec...

Objective I want to use oil as a solvent as little as possible. Type 1 0.05% Retinal 5% Squalane Type 2 0.05% Retinal 5% LipidSoft™ F (Ethyl Linoleate) Question 1) Can it be heated and dissolved in Squalane ? Yes 2) If yes, can you reduce the % to 3%? 3) Can you dissolve the second type? 4) Squalane...