For years, Johnson’s Baby Shampoo was the unofficial shop staple for window tint slip solution. A few drops in water gave installers the glide they needed to position film before squeegeeing it down. But after Johnson’s added aloe and an extra vitamin to its formula in February 2026, some tinters noticed their mix felt tackier than before.

Now installers are asking the practical question: keep using baby shampoo, adjust the mix or switch to a tint-specific slip solution?

What Changed With Johnson’s Baby Shampoo?

The February 2026 Formula Update

Window Film Magazine reported that Johnson’s added aloe and an extra vitamin to its baby shampoo in February 2026. This matters because baby shampoo has an unintended second market: professional and DIY window tint installers.

Why Some Tinters Noticed a Difference

Some tinters said their slip solution felt tackier after the formula change. A slip solution needs to let the film move across the glass long enough to position it correctly. If the solution grabs too quickly, installers may have more trouble aligning the film, pushing out moisture or avoiding fingers and creases.

Not Every Installer Had the Same Experience

The article reported mixed reactions. Some installers switched immediately. Others reduced the soap ratio and kept using it. Some said the new formula still worked fine. Results may vary depending on mix ratio, water, humidity, temperature, film type and installer technique.

Why Tinters Used Baby Shampoo

It Created Slip

Baby shampoo helped the film slide on wet glass before final squeegee pressure locked it down.

It Was Cheap and Easy to Find

Installers liked it because it was available almost everywhere.

It Became a Shop Habit

One tinter in the article described Johnson’s Baby Shampoo as something his father and grandfather used. This shows how deep the habit runs in the industry.

The Problem With Household Products

Household products are not made for window film installation. When a formula changes, installers may notice changes in tack, glide, residue or drying behavior.

What Professional Tinters Are Doing Now

Option 1: Keep Using Johnson’s Baby Shampoo

Some installers still use the new formula. If the mix feels tacky, they may reduce the soap-to-water ratio. One installer in the Window Film Magazine article said adjusting the ratio made the solution less tacky.

Option 2: Switch to Generic Baby Shampoo

Some tinters switched to generic baby shampoo from stores like Dollar General or Walmart because they found ingredient lists closer to the older Johnson’s formula. Installers should check ingredients and test before using.

Option 3: Professional Slip Solution

Professional slip solutions such as Film-On and Tint Slime are more predictable options for serious DIY installers and professional shops. They offer a more consistent formula designed for window film. This means less guessing, better repeatability and an easier process for repeat jobs.

Best Baby Shampoo Alternatives

Professional Tint Slip Solution

This is the best option for most consistent results. A dedicated window tint slip solution is engineered specifically for window film adhesives.

Film-On

One tinter in the article said he ended up liking Film-On better than baby shampoo.

Tint Slime

Tint Slime is another professional slip solution example used widely in the industry.

Generic Baby Shampoo

Some installers are using generic baby shampoo brands, but they should check ingredients and test the mixture before using it on a full vehicle.

Mild Soap and Water

This can work for some installers, but avoid soaps with lotions, moisturizers, degreasers, ammonia, waxes, heavy fragrance or unknown additives.

How to Make Window Tint Slip Solution

Start With Clean Water

Use clean water in a clean spray bottle. Dirty bottles and contaminated water can cause debris under the film.

Use Less Soap Than You Think

Too much soap can make the film float too long, dry slowly or leave residue. Too little can make the tint grab too fast.

Test Before You Commit

Spray one small window or scrap piece first. If it feels tacky, adjust the ratio. If it feels too slippery, reduce the soap.

Watch the Conditions

Humidity, heat, cold and direct sun can all change how fast the solution dries.

DIY Window Tint Installation Checklist

Tools You Need

• Precut window tint kit or window tint roll
• Tint-safe slip solution
• Spray bottle
• Window tint squeegee
• Hard card
• Microfiber towels
• Sharp blade
• Heat gun or hair dryer
• Scraper where safe
• Clean work area

Basic Installation Steps

• Clean the glass thoroughly.
• Spray the glass with slip solution.
• Wet your fingers before handling the adhesive side.
• Remove the liner.
• Spray the adhesive side of the film.
• Float the tint into position.
• Squeegee from the center outward.
• Use light heat where needed.
• Let the tint cure before cleaning aggressively.

Read our full how to install precut window tint guide or the general window tint installation guide for more details.

Precut Window Tint vs. Window Tint Rolls

Precut Window Tint Kits

Precut window tint kits are best for DIY installers because the pieces are already cut for the vehicle. This reduces trimming, measuring and the chance of wasting film.

Window Tint Rolls

Window tint rolls are better for experienced installers, custom applications, multiple vehicles or shops.

Which Is Better for Beginners?

We recommend diy window tint kit options for most beginners. Rolls are more flexible but require more skill.

Choosing the Right Window Tint Percentage

5% Window Tint

Darkest common option. Best for privacy, but check local laws. Shop 5% tint.

15% Window Tint

Popular dark shade with more visibility than 5%. Shop 15% tint.

20% Window Tint

Balanced look for privacy, style and visibility. Shop 20% tint.

25% Window Tint

Moderate shade with a clean factory-style appearance. Shop 25% tint.

30% Window Tint

Lighter option for drivers who want tint without going too dark. Shop 30% tint.

Understand Tint Percentages Before You Buy

Learn more with our tint percentages explained guide.

Ceramic Window Tint and Slip Solution

Slip Solution for Ceramic Tint

Ceramic window tint still needs proper slip solution. The installation process is similar, but installers should follow the film’s instructions and avoid harsh chemicals.

Why Ceramic Tint Is Popular

Ceramic tint is popular for its superior heat rejection, UV protection, comfort and appearance.

Common Slip Solution Mistakes

Using Too Much Shampoo

Too much soap can leave the film overly slippery and slow to dry.

Using a Formula With Moisturizers

Aloe, lotions, conditioners or skin-care additives may change performance.

Not Cleaning the Glass

Dirty glass ruins tint faster than the wrong slip mix.

Squeegeeing Too Lightly

Weak squeegee pressure can leave water pockets, haze and fingers.

Installing in Bad Conditions

Direct sun, cold glass, high humidity or dusty spaces can make the job harder.

What If the Tint Job Goes Bad?

Can You Remove Bad Window Tint?

Yes. If the film is creased, contaminated, folded or badly misaligned, removal may be better than trying to save it. Learn how to remove window tint.

When to Start Over

Recommend restarting if the film has dirt under it, the tint is creased, the adhesive touched itself, the film was cut too short, or the window has too many fingers or bubbles.

Related Rvinyl Tint Guides

FAQ