Ok, so this is about a month old, lol - sorry if this has been posted elsewhere already.
I don't have this option on either of my accounts, but noticed it on my mother's account this past week (she had me update her credit card while she's out of town.) I hope they do start rolling out a way to get more personalized boxes!
There are TONS of categories & options - and they all have the choices "keep them coming" or "max 4 per year"
Here are the options -
Body - bar soap, body oil, deodorant, lotions, scrubs/exfoliators, shower gels/body washes, sun protection
Hair - brushes & styling tools, conditioner, shampoo, shampoo&conditioner, styling products, tools and treatments
Makeup - cheeks, eyes, face, lips, tools
Nails - polish, tools
Skincare - anti-aging, blemish-prone, cleansers, exfoliators, eye care, face oil, makeup removers, masks, moisturizers, self-tanner, serums, skincare tools, sun protection, toners