The PhoneSoap Blog

Science-backed guides on sanitizing your phone, bottles, toothbrush and home with UV-C light -- plus the clean-living tips behind PhoneSoap.

How to Clean and Sterilize Baby Bottles: The Complete Guide
Featured

How to Clean and Sterilize Baby Bottles: The Complete Guide

Washing bottles is one of those newborn tasks that never seems to end — and it is easy to wonder whether you are doing it right. Do you have to sterilize every bottle? Is...

Jul 16, 2026 7 min read
Read the guide →
How to Clean Your Phone Camera Lens (and Fix Blurry Photos)

How to Clean Your Phone Camera Lens (and Fix Blurry Photos)

Snapped a photo and it came out hazy, foggy, or soft? Nine times out of ten the camera itself is...

Jun 14, 2026 3 min read
How to Disinfect Your Toothbrush: A Simple, Dentist-Informed Guide

How to Disinfect Your Toothbrush: A Simple, Dentist-Informed Guide

Your toothbrush spends all day in one of the germiest rooms in your home, then goes straight into your mouth...

Jun 07, 2026 6 min read
How to Clean Your Smartwatch the Right Way (Without Damaging It)

How to Clean Your Smartwatch the Right Way (Without Damaging It)

Your smartwatch is dirtier than you think. Bacteria on smartwatch surfaces build up fast from sweat, skin oils and daily...

Jun 03, 2026 6 min read
How Dirty Is Your Phone, Really? Bacteria, Germs and What's Actually Living on Your Screen

How Dirty Is Your Phone, Really? Bacteria, Germs and What's Actually Living on Your Screen

There can be up to 25,000 bacteria per square inch in an average cell phone, which is almost 18 times...

Jun 02, 2026 6 min read
Why You Need to Sanitize Your Toothbrush (and How To Do It!)

Why You Need to Sanitize Your Toothbrush (and How To Do It!)

Your toothbrush hosts up to 12 million bacteria, from your mouth, your hands, and yes, toilet flushes. Rinsing with water...

Jun 02, 2026 5 min read
How To Purify Air In House

How To Purify Air In House

The quality of indoor air is 2 to 5 times worse than outdoor air quality, according to the EPA, as...

Jun 01, 2026 6 min read
How to Clean for C. diff: Your Complete Home Disinfection Guide

How to Clean for C. diff: Your Complete Home Disinfection Guide

C. diff spores can survive on household surfaces for months and aren’t killed by regular cleaners or hand sanitizer. Preventing...

May 29, 2026 6 min read
What Bacteria is on my Phone?

What Bacteria is on my Phone?

TL;DR There can be up to 25,000 bacteria per square inch in an average cell phone, which is almost 18...

May 28, 2026 6 min read
Can UVC Light Kill Hantavirus?

Can UVC Light Kill Hantavirus?

TL;DR UVC light very likely inactivates Hantavirus because it is an enveloped RNA virus, the category most susceptible to UV-C...

May 27, 2026 4 min read
Mold in Baby Bottles: How It Happens, Why It's Dangerous and How to Prevent It

Mold in Baby Bottles: How It Happens, Why It's Dangerous and How to Prevent It

TL;DR Mold is found in baby bottles and sippy cups due to water accumulation inside nipples, valves and crevices between...

May 26, 2026 5 min read
Ultraviolet Light For Disinfecting

Ultraviolet Light For Disinfecting

TL;DR Ultraviolet light for disinfecting is a proven, chemical-free method that disrupts the DNA and RNA of bacteria, viruses and...

May 26, 2026 6 min read