I am making a 3 oz jar of gel. How much of this should I put in?

Directions say, "Usage level: 0.1% - 0.3% by weight (7 - 9 drops per pound of solution)" 3 oz = about 1/5th of a pound so that would be 2 drops

Im making a 100g jar of a facial mask, how much should I put?

It says 0.1%-0.3% , so for a 100g product you would add between 0.1g-0.3g. Because 1% of 100 would be 1g....If it was a different recipe you would have to add up the total then do the math to figure out what .1% of it would be.

ASIN	B08KHPS5JY
ASIN	B08KHPS5JY
Best Sellers Rank	#122,386 in Beauty ( See Top 100 in Beauty ) #2,022 in Body Lotions
Brand	Kyabo
Customer Reviews	5.0 5.0 out of 5 stars (3)
Customer reviews	5.0 5.0 out of 5 stars (3)
Date First Available	11 October 2020
Format	Liquid
Item model number	K-Polysorbate80
Manufacturer	Kyabo
Package Dimensions	13.89 x 5 x 4.29 cm; 150 g
Units	4.0 Ounce

Kyabo BRJR Germall Plus- Natural Preservative - Clear Liquid - Excellent broad spectrum preservative - 4oz - Compatible with most cosmetic ingredients Good for water based formulas

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