What is it?
Caffeine is a stimulant, commonly found in coffee and tea.
INCI
Caffeine
Appearance
Fine white powder
Usage rate
0.1–1%
Scent
Nothing very noticeable
pH
6.9 (1% solution)
Solubility
Water
Why do we use it in formulations?
Caffeine increases circulation and reduces puffiness, making it a popular ingredient in products for mature skin and under-eye applications. It can also help reduce water retention, creating a slimming effect.
Do you need it?
No
Refined or unrefined?
It is best to purchase isolated, concentrated caffeine.
Strengths
Very effective de-puffing active.
Weaknesses
Not a good choice for anyone sensitive to caffeine.
How to Work with It
Include in the water phase of your formulations; it can be hot or cold processed as needed.
Storage & Shelf Life
Stored somewhere cool, dark, and dry, caffeine should last approximately four years.
Tips, Tricks, and Quirks
I’ve heard stories from people who have applied large amounts of caffeine creams before going to bed and then being unable to sleep, so tread lightly with pre-bedtime applications!
Recommended starter amount
10g
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