Safe for washing brushes, etc.

Dae Daily Shampoo

Daily Shampoo Dae

alch free, fragrance free, eu allergen free - harsh (good for oil removal), noncomedo
Ouai Fine Hair Shampoo

Fine Hair Shampoo Ouai

contains alchohol/fragrance/oils/allergns; harsh, possibly comedo; may be a better cleanser but also may deposit more harsh things (maybe better as a household cleaner or hand wash)
Olaplex No.4 Bond Maintenance Shampoo

No.4 Bond Maintenance Shampoo Olaplex

alch free, contains oils/allergens gentle cleanser, mild comedo, may deposit bad things