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 4.7 Rating (4,175 Reviews)

#1 Frizz-control prep spray!

Prep Lock™

Prep Lock™

1000+ orders
in the last 24h

Easy Detangling

Heat Shield

Frizz Control

Shine Boost

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Prep Lock™

Prep Lock™

Regular price $29.00
Regular price $29.00 Sale price $44.00
SAVE 34% Sold out

Frequently Asked Questions

1. What does Prep Lock™ do?

Prep Lock™ is your 4-in-1 styling essential. It detangles, tames frizz, protects against heat, and boosts shine—all in a lightweight spray that won’t weigh your hair down. Perfect for smooth, sleek, and healthy-looking hair every day.

2. When should I use it?

Use Prep Lock™ on clean, damp hair before styling:

Before blow-drying for smoother results

Prior to heat styling for protection up to 450°F (232°C)

Anytime you need frizz control and instant shine

3. Will it make my hair greasy?

Not at all. Prep Lock™ has a weightless formula that smooths and protects without leaving buildup, grease, or heaviness—just clean, soft, shiny strands.

4. Is it safe for daily use?

Yes! Prep Lock™ is gentle, non-sticky, and non-damaging, making it perfect for everyday use on all hair types, including color-treated and chemically processed hair.

5. What makes Prep Lock™ different?

A true multitasker:

Frizz Control for up to 24 hours

Heat Shield up to 450°F

Coconut Oil + Spirulina Protein for nourishment & shine

No heavy residue, just smooth, silky hair

6. Is there a guarantee?

Absolutely. If Prep Lock™ doesn’t give you smoother, shinier, and more manageable hair, you’re covered by our 30-day no-questions-asked guarantee. Love it or get a full refund.

About Us

Formulated by Science. Built for Life.

At SYNRG, we don’t chase trends—we follow the research. Our mission is simple: to create high-performance supplements that actually work. Every ingredient we use is backed by clinical science, and every formula is crafted with care, clarity, and uncompromising standards.

Wellness, Simplified

We believe wellness should feel powerful—not complicated. Whether it’s calming the mind, fueling sharper focus, or optimizing recovery, our products are designed to support your body’s natural balance, without shortcuts or synthetic fillers.

What Sets SYNRG Apart

Clean, effective formulas

Clinically studied ingredients

GMO-free, gluten-free, lab-tested

Formulated for results—not hype

Invest in Your Longevity

With SYNRG, you're not just supplementing your health—you’re investing in your longevity.

30-Day Money Back

Try SYNRG Risk-Free

We’re confident in the science, the purity, and the results behind every supplement we make. That’s why we offer a 30-day, no-questions-asked money-back guarantee.

If you don’t feel a difference in your focus, calm, sleep, or overall well-being, just let us know.

We’ll refund your purchase—no hassle, no stress.

Because wellness should come with confidence.

View full details
 
 
 
 

Why Prep Lock?

Here are four compelling reasons why someone should take SYNRG Frizz-free shine with heat protection

24-Hour Frizz Control

Keeps hair smooth and manageable all day.

Heat Protection up to 450°F

Shields strands from styling damage.

Boosts Shine & Softness

Leaves hair glossy and touchably soft.

Detangles Effortlessly

Makes combing and styling quick and easy.

 
 

Join thousands of people who have seen life-changing results with our product.

  • Smooth, Shiny, and Protected!

    I absolutely love Prep Lock™! My hair has never been this smooth and frizz-free, even on humid days. It makes detangling so easy and gives my hair such a natural shine without weighing it down. Plus, knowing it protects against heat makes me feel way more confident when styling. Total game-changer—I’ll be buying this again and again!

    Emily R. – Austin, TX

  • My Hair’s New Best Friend

    Prep Lock™ has completely changed my routine. My hair feels silky, looks shinier, and the frizz is finally under control. I love that it protects from heat too—I use it before blow-drying and my hair looks like I just left the salon. Highly recommend to anyone who wants smooth, healthy hair every day!

    Sarah M. – Portland, OR

  • Perfect for My Curls!

    I’ve tried so many products for my curly hair, but Prep Lock™ is by far the best. It keeps my curls defined, frizz-free, and soft without weighing them down. The heat protection is a huge bonus when I diffuse my hair. Finally, a product that truly delivers!

    Jessica L. – Miami, FL

     
     

    Our happy customers aren't just reviews;
    they're living proof that our formula delivers real results.

    96%

    Boost of energy within the first week of use.

    92%

    Reduced mental fatigue within two weeks of use.

    92%

    Reduced mental fatigue within two weeks of use.

    0%

    Zero reported side effects after consistant use.

    30-Day Money-Back Guarantee

    Made In U.S.A

    Free Of Side Effects

    3 Years Of Research

    Made In U.S.A

    Free Of Side Effects

    3 Years Of Research

    Made In U.S.A

    Free Of Side Effects

    3 Years Of Research

    Made In U.S.A

    Free Of Side Effects

    3 Years Of Research

    Made In U.S.A

    Free Of Side Effects

    3 Years Of Research

    Made In U.S.A

    Free Of Side Effects

    3 Years Of Research

    Made In U.S.A

    Free Of Side Effects

    3 Years Of Research

    Made In U.S.A

    Free Of Side Effects

    3 Years Of Research

    Made In U.S.A

    Free Of Side Effects

    3 Years Of Research

    Made In U.S.A

    Free Of Side Effects

    3 Years Of Research

    Made In U.S.A

    Free Of Side Effects

    3 Years Of Research

    Made In U.S.A

    Free Of Side Effects

    3 Years Of Research

    🔒 The SYNRG Guarantee

    We stand by the power of smooth, protected hair. That’s why every purchase of Prep Lock™ is backed by our 30-day money-back guarantee. Experience noticeable improvements in shine, frizz control, and heat protection—or receive a full refund, no questions asked.

    You’ve got nothing to lose—except the frizz and dullness.

    Trustpilot reviews

    Excellent 4.8 / 5

    • Frizz-Free at Last!

      My hair gets crazy frizzy in the Texas humidity, but Prep Lock™ has been a lifesaver. My hair stays sleek and smooth all day long. I can’t imagine styling without it now!

      Amanda P., Dallas, TX

    • Salon Results at Home

      Using Prep Lock™ before blow-drying makes my hair look like I just stepped out of the salon. It’s soft, shiny, and totally protected. Best purchase I’ve made in years!

      – Rachel S., San Diego, CA

    • Heat Protection I Can Trust

      I straighten my hair almost daily, so I needed serious heat protection. Prep Lock™ does the job perfectly while keeping my hair soft and smooth. Total must-have!

      – Sophia L., Chicago, IL