Key Takeaways
Table of Contents
We’re here to shed some light on one of the most loved (and most misunderstood) hair care products we have here at Sun Bum.
We’re here to shed some light on one of the most loved (and most misunderstood) hair care products we have here at Sun Bum.
We’re here to shed some light on one of the most loved (and most misunderstood) hair care products we have here at Sun Bum.
While we were perfectly happy squeezing lemons from our neighbor’s tree directly onto our hair, we felt like it was time to call upon the lightening powers of ingredients like hydrogen peroxide and Costa Rican Pineapple to take things to the next level.
This UV/heat activated formula within our hair lightener product is made to give us summer kissed highlights, all year round. It’s also meant to be used slowly and gradually for buildable results. We made this stuff with medium brown to blonde hair types in mind, but if you have dark hair and want to use it, we just recommend that you proceed with caution as results are permanent.
And on that note, let’s dig a little deeper into that because it seems to be where a lot of folks get tripped up.
We’re here to shed some light on one of the most loved (and most misunderstood) hair products we have. Link in bio for more deets.
“Can I use Sun Bum Hair Lightener on Dark Hair?” is a question we get, a lot. While the short answer is “Yes!”, there are a few other things you should think about before using our hair lightener on dark hair that will offer up the best results.
If you have dark brown or black hair and you spray the hair lightener all over your hair hoping for insta-blonde results, you might be left feeling a range of emotions spanning from extreme confusion to straight up rage—but don't worry that's what we're here to help avoid.
We’re not trying to freak you out, we just wanna be up front about this.
One of the main “lightening” agents in the formula is hydrogen peroxide—which is known for oxidizing the melanin in hair causing it to lighten. This lightening process of this product is meant to work gradually, and may not give you what you’re looking for right away.
Here are a few steps we recommend for getting the best long-term results.
Step 1: Prepare Your Locks
Make sure your hair is clean, conditioned, and damp/towel-dried before you spray in the hair lightener.
Step 2: Test on Select Strands of Hair
As we mentioned before, results are permanent. So, we recommend doing a little test run to see if you like what you see first by spritzing 1-2 sprays onto a patch of towel-dry or damp hair (in an inconspicuous spot) before applying to additional desired sections. Once you are comfortable with the results that you are seeing, feel free to apply on more sections of your hair!
Step 3: UV Activated Formula
Does the Hair Lightener work without the sun? Yep! Because it is a UV activated formula, you can use it before heading out in the sun or just bust out your hair dryer.
Step 4: Style and Go!
Once your hair has dried, style the way you like and get on with your day.
Step 5: Using the Hair Lightener (Again)
Looking to lighten up your hair a little more? To avoid breakage and damage, we recommend limiting use to 2X per week, just to be on the safe side. More specifically, try not to apply more than once between washes/shampoos. This should help avoid over-drying and hair breakage.
And while we might sound like a broken record, we want to reiterate that if you do choose to apply the Hair Lightener on darker hair, that you’ll most likely be seeing a brassy orange results until those sections of hair begin to lighten more over time.

If your color’s lookin’ a bit too brassy for your liking, don’t worry—our Blonde Purple Shampoo, Blonde Purple Conditioner and Tone Enhancer were literally made for cooling down brassy tones and for brightening the look of highlights. If you wanna know more about how that toning process works check out our Q&A with celebrity hair stylist Laura Polko.
Lastly, if you notice all this brightening and lightening making your hair drier than usual, our Deep Conditioning Mask and 3 in 1 Leave In can really help soothe and moisturize our strands.

Does sunscreen block blue light? Some do, some don't, it all comes down to what's in the bottle. If you're wondering, can sunscreen block blue light? The answer is yes, but only certain formulas offer meaningful protection. Blue light comes from the sun and is emitted from every screen you look at, and it's been linked to dark spots and early signs of aging. The catch is that a lot of everyday sunscreens aren't built to block it. Here's which formulas actually help, and how to give your skin better backup against blue light.
If you've ever wondered, can you get sunburned under water, the answer is also yes because UV rays continue traveling below the surface. Your dip might feel like a refreshing break from the sun, but UV rays don’t stop at the surface. They travel right into the water with you, which means your skin could still get burned when surfing, swimming, or splashing around. Read on for why swimming can actually increase your burn risk, and how to stay protected while still making the most of your beach days. Because one thing about us, we’re staying in the water.
Do you need to wear sunscreen indoors? It sounds like overkill until you realize how much sun gets inside. If you're wondering, "should I wear sunscreen indoors?" the answer is yes, especially if you spend time near windows or in bright indoor spaces. Between the UVA rays slipping through your windows and the blue light off your screens, indoors isn't the safe space for your skin you might think it is. Here's when indoor SPF comes in clutch, what it protects against, and how to fit it into your routine.
Does SPF 30 vs. SPF 50 feel like choosing between green or red sauce on your burrito? We get it and we’ve got you. Here's what changes between the two and when to bump up.
Is 70 the new 50? When it comes to SPF, we love them both. From daily coverage in peak summer to all-out protection if your surf trip turns tropical (lucky you),if you’re comparing SPF 50 vs 70, or wondering does SPF 70 work better than 50, the answer comes down to how intense your sun exposure is.
We’re going for bronzed, not burned, and choosing between SPF 15 vs. SPF 30 can be the difference between the two. Here's what to know before you, ahem, reach for the bottle.