SUSCEPTIBLE /səˈseptəbl/ (adj):

# ​[not usually before noun] susceptible (to something): very likely to be influenced, harmed or affected by something.

SENSIBLE

TENDER

FRAGILE

delicacy /ˈdelɪkəsi/ (n):

(plural delicacies)

# ​[uncountable] the fact of being, or appearing to be, easy to damage or break.

the delicacy of the fabric

Her skin had the delicacy of a flower.