Käp Shampoo Cap and Rakü Thermometer: A Calmer Baby Bath Routine
By Bblüv Canada | Published: 2026-10-31
Category: Tips & Care
Use a silicone shampoo cap and a bath thermometer to make hair washing calmer. Follow these steps to protect your baby's eyes and check water temperature.
Quick answer
Use a soft silicone shampoo cap to keep water and shampoo out of your baby's eyes and ears, and check the bath water with a digital thermometer before your baby gets in. Together, these two tools remove the two biggest sources of bath-time fuss: soap in the eyes and water that is too hot or too cold.
Why a cap and a thermometer work better together
Hair washing is often the moment a calm bath turns into a struggle. A shampoo cap shields the face, so you can rinse without your baby flinching. A thermometer gives you a number to act on, so you are not guessing with your elbow while holding a slippery baby.
Neither tool replaces supervision. The cap is not a flotation device, and the thermometer is not a substitute for your hand checking the water. Use both as support tools, not as a reason to step away.
When to skip the cap or thermometer
Some babies dislike anything on their head. If your baby pulls the cap off repeatedly, try washing hair with a folded washcloth as a shield instead. The cap works best when it fits snugly but not tightly; a cap that leaves red marks is too small or adjusted too tight.
A thermometer is most useful for routine baths and travel. If you are bathing in a sink or a shared tub where the water cools quickly, check the temperature right before your baby enters, not minutes earlier.
Step-by-step calmer bath routine
- Fill the tub and check the water temperature: Run the bath water, mix it well, and place the Rakü thermometer in the water. Wait for the reading to settle and check it against the thermometer's alert display. Common mistake: checking only with your hand, which adapts to heat and can miss water that is too warm for a baby. If the reading is above the comfortable range, add cool water and stir before rechecking.
- Fit the Käp shampoo cap before your baby gets in: Slide the silicone cap onto your baby's head so the brim sits just above the eyebrows and covers the ears. Adjust the fit so it is snug but leaves no red marks. Common mistake: putting the cap on after hair is already wet, which makes it harder to position and more likely to slip. Do a quick comfort check: your baby should be able to look around and move their head freely.
- Wet the hair and apply a small amount of shampoo: Use a cup or your hand to wet the hair while the cap stays in place. Apply a small amount of baby shampoo and massage gently. Common mistake: using too much shampoo, which creates more lather and takes longer to rinse. Keep shampoo away from the cap's inner edge so it does not seep under the brim.
- Rinse slowly from front to back: Pour water slowly at the hairline and let it run back away from the face. Pause if your baby tilts their head. Common mistake: rushing the rinse, which splashes water under the cap and defeats its purpose. If water does get in, stop and wipe the eyes with a clean, dry cloth before continuing.
- Remove the cap and dry the face and ears: Lift the cap gently and pat the face and ears dry with a soft towel. Check behind the ears and around the hairline for leftover shampoo. Common mistake: leaving the cap on while your baby plays, which can trap moisture and cause discomfort. Rinse the cap with clean water and let it air dry fully before storing.
- Use the thermometer for the room after bath: After drying your baby, place the Rakü in the nursery to check the room temperature. Use the display to decide if you need to adjust the room before dressing your baby. Common mistake: relying on the bath reading for the room, since water and air temperatures are different. Keep the thermometer where you can see it during dressing so you can check the room without searching.
Product facts
- Käp: Silicone Shampoo Repellant Cap: Made of 100% soft and flexible food-grade silicone (FDA approved) and adjustable for a perfect fit. The flexible silicone adapts to your baby's head without hard edges, so it can sit comfortably while you rinse.

Käp: Silicone Shampoo Repellant Cap - Rakü: 3-in-1 and Bath and Room Thermometer: Digital thermometer with a clear display that shows temperature alerts for bath water or nursery air. You get a readable number and an alert instead of guessing, which helps you adjust the water before your baby gets in.

Rakü: 3-in-1 and Bath and Room Thermometer

