Recommended mixture ratios for "hengua":
For a darker, faster-developing henna stain, use 0.25 oz/7g jagua per 1.76 oz/50g henna (1:7 by volume).
For a deep burgundy stain, use 0.53 oz/15g jagua per 1.76 oz/50g (1:3.5 by volume).
For a dark chocolate brown stain, use 0.88 oz/25g jagua per 1.76 oz/50g henna (1:2 by volume).