Ideas to shop around
Directions rather than one particular thing, for when you’d rather choose. Some come with a few that fit.

Soaks and salts
Mineral soaks are the base of a good bath, from an everyday classic to a big bag of Dead Sea salts.
4 that fit · about $5.87 – $39.99
Dr Teal's Lavender Epsom Salt (48 oz)about $5.87 · amazon.com
Dead Sea Collection Himalayan Bath Saltsabout $22.90 · amazon.com
One With Nature Dead Sea Salt (5 lb)about $26.32 · amazon.com
Yareli Magnesium Flakes Bath Soak (15 lb)about $39.99 · amazon.com

Bath bombs, bubbles and oils
Scent, color and foam. Includes a couple of fun surprise bombs that make it different.
7 that fit · about $4.99 – $28
Bath Bombs Gift Set (5 Large)about $18.59 · amazon.com
Capri Blue Luxury Bubble Bathabout $25 · amazon.com
NEOM Real Luxury Bath Foam (Lavender, Jasmine and Sandalwood)about $28 · amazon.com
Dr. Teal's Bath and Body Oil Gift Set (2 Pack)about $15.99 · amazon.com
Bath Bombs with Surprise Mini Resin Animals (20)about $15.99 · amazon.com
Pacha Soap Mystery Color Bath Bombabout $4.99 · amazon.com
BodyRestore Shower Steamers (15 Pack)about $23.99 · amazon.com

Tub trays, pillows and lighting
Turn the tub into a spot to read, sip and stay a while.
5 that fit · about $9.99 – $39.98
Royal Craft Wood Bamboo Bathtub Trayabout $22.99 · amazon.com
Full Body Bath Pillowabout $39.98 · amazon.com
SipCaddy Bath Wine Holderabout $14.99 · amazon.com
Color Changing LED Tub Lights (2 Pack)about $9.99 · amazon.com
Flameless LED Candles with Timer (5 Pack)about $19.99 · amazon.com

Tech and splurges
Unusual upgrades for someone who already has the basics.
3 that fit · about $23.99 – $249.99
Kindle Paperwhite Signature Edition 32GBabout $249.99 · amazon.com
Soundcore Select 4 Go Waterproof Speakerabout $23.99 · amazon.com
Bathtub Spa Mat with Bubble Massagerabout $169.99 · amazon.com

Robes and body care
What to wear and use before and after the soak.
3 that fit · about $10.99 – $29.99
Turquaz Lightweight Waffle Spa Robeabout $29.99 · amazon.com
Kitsch Dry Brushing Body Brushabout $11.89 · amazon.com
Neptune Caribbean Sea Spongeabout $10.99 · amazon.com

Tub comfort
For a longer soak. A bath pillow and tray turn the tub into a place to read or relax.
2 that fit · about $19.99 – $22.99
SetSail Bath Pillowabout $19.99 · amazon.com
Bamboo Bath Tray, Foldableabout $22.99 · amazon.com

Salts and scrubs
Simple additions. Dr Teal's is the most recognized brand for Epsom salts and costs very little.
3 that fit · about $5.87 – $14.99
Dr Teal's Epsom Salt Magnesium Soakabout $5.87 · amazon.com
Almooni Natural Loofah Exfoliating Body Scrubberabout $13.99 · amazon.com
Bath Bombs Gift Set, 5 Large Bombsabout $14.99 · amazon.com