Have you tried Aussie Instant freeze? I think it's pretty comparable to HESMU although I like AIF better. It's protein and glycerin free like HESMU if that matters to you.
3a/b, fine texture, low porosity, normal elasticity, mod-CG 7/11/11

Poo: KC Come Clean, SM Moisture Retention
CO: CJ Curl Rehab, CJ Argan & Olive Oil, Renpure Argan Oil, YTCucumbers, Sevi Pumpkin
Style: AIF, HESMU, Biolage gelee, KCCC
LOOB for second day hair


Like BS/ACV rinses, limit protein/humectants.