Can I use AHAs/BHA and Retinoids Together?

by Gio
can use aha/bha and retinol/retinoids together?

Can you use retinoids (like retinol) with AHAs/BHA exfoliants?

The gossip on the grapevine changes every week. Some of us have heard rumours they can’t stand each other. Put them in the same room, they’ll neutralise each other and lose all their antiaging powers.

But there are a few single voices who claim the feud’s made up. Retinoids and the AHAs/BHA families are the best of friends. Put them in the same room (or should I say face?) and they’ll work together to get those pesky wrinkles and red breakouts off your face.

Who’s right? Let’s get to know the families. It’s the only way to find out if AHAs/BHA and Retinoids can really be used together:

the ordinary salicylic acid 2 solution

What The Heck Are AHAs and BHA?


The Alpha Hydroxy Acids (AHAs) family has some famous members, including Glycolic Acid and Lactic Acid (I’m sure you’ve heard of them).

The Beta Hydroxy Acids (BHA) family only has one member currently working in skincare: Salicylic Acid.

These acids all work in the same way: they dissolve the glue that holds skin cells together, so they can slough off and reveal the brighter, smoother, more even toned skin underneath. Their exfoliating action brightens the complexion, fades away wrinkles and dark spots and smoothes out skin.

The main difference between them? Salicylic Acid is oil-soluble so it can penetrate the pores and unclog them from within. Bye bye breakouts! Alpha Hydroxy Acids are humectants: they boost the skin’s moisture content and amp up its collagen production a notch or two.

If Salicylic Acid is a godsend for oily, acne-prone skin, Alpha Hydroxy Acids are best for dry, sun damaged skin.

The catch? AHAs and BHA work better at a low ph (less than 4). They’ll still work a little if the ph is higher – just not as well.

Related: AHAs VS BHA: Which One Is Right For You?

Best Picks:


peter thomas roth retinol infusion pm night serum 01

What The Heck Are Retinoids?

Retinoids are forms of Vitamin A. Retinol’s the most famous member of the family but Retinol Palmitate and Hydropinacolone Retinoate are starting to get more noticed to.

Retinoids are awesome. They’re one of the very few things proven to reduce wrinkles AND they bust acne, too. They work in three ways:

  • Boost collagen production
  • Fight free radicals
  • Speed up cellular turnover (the skin’s natural exfoliating process)

If you’re serious about antiaging, retinoids should be part of your skincare routine. Period.

The catch? Retinol (and most forms of OTC Retinoids – Hydropinacolone Retinoate is the exception) need to be converted into Retinoic Acid for it to work its magic. The optimal ph for this activation is 5.5/6. 

Related: Three Reasons Why You Should Use Retinoids

Best Picks:


the ordinary glycolic acid toning solution

Can You Use AHAs/BHA and Retinoids/Retinol Together?

A serum or cream can only have one ph. If acids need a low ph and Retinoids a neutral one, it makes sense they don’t play well together.

Yet, we have plenty of studies showing just the opposite:

  • A 2008 study tested the efficacy of Glycolic Acid, Retinol and Lactose on photoaged skin and found out the combo helped treat some of the sun damage.
  • A 2015 study tested a skincare regime made up of AHAs, BHA, Retinoids and sunscreen and discovered it’s a “safe and effective for treatment of moderate-to-severe photodamage”.
  • A 2015 study tested the combination of Retinoic Acid and Glycolic Acid to treat acne scars and claims it is an effective alternative to more invasive procedures.

What’s going on here? Why are the families working together when they should be fighting each other?

A lot of it depends on the formula. As Dr. Jeanette Graf, M.D. explains:So much of it depends on the formulation. Retinol converts to its active all-trans retinoic acid form once it has already penetrated the skin, and therefore the pH is more physiologic when the reaction takes place. In today’s formulations with newer delivery systems, which make for more efficient products without the need to irritate the outer layer, I would say they can both be used.”

The old advice about keeping your acids and Retinoids separate may have made sense once but has now become outdated. Now you can use AHAs/BHA together with Retinoids.

Why I Wouldn’t Use AHAs/BHA With Retinoids/Retinol Anyway


If the science says they can be used together, why am I suggesting you don’t?

Because both AHAs and Retinoids can be irritating (BHA is usually fine). If you’ve never used them before, when you finally go for it, you may experience some stinging, peeling and flaking. This is absolutely normal and should disappear after a few weeks, when your skin has finally gotten used to their potency.

Even so, I always recommend you start small with both ingredients. A low concentration a couple of times a week. Then, you slowly build up both dose and frequency.

If your skin is pretty resilient and, like mine, can deal with anything you throw at it, then yes, you could be able to use them both together.

If your skin is more sensitive, you should stick to using acids in the morning and Retinoids at night. If your skin is very sensitive, you may not tolerate any of this stuff at all!

Wondering what other ingredients you shouldn’t mix and match? Click on the image below to subscribe to my newsletter and receive the “How To Combine Actives Like A Pro” cheatsheet.

The Bottom Line

Technology in skincare has progressed by leaps and bounds and now allows us to use AHAs/BHA together with Retinoids without compromising their effectiveness. But all these ingredients are pretty powerful and could irritate skin. If yours is delicate, you may want to keep using them separately to avoid the risk of irritation.

Do you use products with AHAs/BHA and Retinoids? Share your experience in the comments below.



Dao August 24, 2010 - 3:06 pm

I wouldn’t use AHA/BHA and retinoid together though, even in the same day. There’s so much exfoliation my skin can take. Salicylic acid doesn’t work that well on me anymore but I really want to try Derma Doctor’s Poetry in Skincare, which is a 1% retinol lotion.

beautifulwithbrains August 24, 2010 - 4:20 pm

Dao, I know a lot of dermatologists recommend using AHAs/BHA during the day and Retinoids at night, but I think it also depends on how sensitive one’s skin is. I know people that use both AHA and Retinoids in the morning and although I don’t think it’s a good idea as they are less effective used together, their skin can take it well without being irritated. While other people can’t tolerate them at all even when used separately.

I think Salicylic Acid works well if one is only prone to breakouts or has mild acne, otherwise Retinol or Benzoyl Peroxide will probably work better. I hope the Derma Doctor lotion works well for you.

makeup morsels August 25, 2010 - 2:26 am

I use some products with Salicylic Acid, but I don’t think any of the skincare items I’m currently using contain retinoids. Like I said before, I definitely need to start paying more attention to the ingredients. I do make sure to wear sunscreen every single day though.

beautifulwithbrains August 25, 2010 - 12:07 pm

Makeup Morsel, Retinoids are among the best anti-aging ingredients. Of course there are lots of anti-aging ingredients on the market but if one wants their skin to be in great condition as they age, they’re definitely something to consider. At the moment I go through phases of using them and then I stop to test something else, but in a few years’ time I’ll start using them a lot more diligently.

And good for you for always using sunscreen. That’s the best antiaging product ever as it can avoid so much damage being done on our skin and so keeps us looking younger. 🙂

tanveer August 25, 2010 - 4:30 am

Between the two I definately prefer reteniods. I use them every night. I reserve AHA/BHA for a fortnightly treatment, since reteniods too have a exfoliating effect on the skin. Instead I use Vit C in the morning & reteniods at night.

beautifulwithbrains August 25, 2010 - 12:19 pm

Tanveer, that’s a great combination. I do prefer Retinoids to AHA/BHA as well. For some people, using them together can prove too much so using AHA or BHA every fortnight is a great compromising and way to include all those beneficial ingredient in a skincare routine. 🙂

DINA December 30, 2013 - 5:48 am

Hi, I do not have sensitive skin and my skin seems to tolerate just about anything. I have been using 2% retinol and 12% alpha hydroxy after cleansing my skin at night. I apply the 12% alpha hydroxy first, then apply the 2% retinol. I have no skin irritation or sensitivity. I am also using a broad spectrum sunblock during the day. Should I be concerned about over treating my skin? My skin looks and feels really good.

Gio December 30, 2013 - 10:46 pm

Dina, that combination may be too harsh for some people, but if your skin feels fine I don’t see any reason why you should stop.

Nynke November 20, 2016 - 1:28 pm

Hi there,

read this, it’s a good explanation why its safe to combine the two.


Gio November 20, 2016 - 2:37 pm

Nynke, thanks for the link. It’s not the first time :Paula has a different opinion from everyone else. I’ll do more research on it, thanks.

Danae March 9, 2018 - 5:24 pm

Thanks about the well written info. Actually, I very seldomly use AHA/BHA products but I have to admit my skin always looks brighter when I do. Yesterday evening I did a quick exfoliation with AHA/BHA. As I recently bought a Retinol Palmitate serum I added it after the exfolation step. Afterwards I was a bit concerned as I somewhere had the feeling that someone warned me not to combine both. So I thought to check this out on the internet and this is how I found your aticle. However, this morning I woke up and my skin looks visible better. I am not easily convinced by product claims and most of the time I see little changes if anything at all (no changes are for me really 95%) – but this morning my skin was fresh, bright and moisturised. I think it was actually the combination of both products as I used the Retinol already for 2 weeks and whilst it faded some scaring quicker and seemed to a tiny bit to shrink pores around my nose I did not notice anything else. So I will definitely try this combination again and see what happens! Des Fernandez is a proponent of Retinol Palmitate and convinced me of trying Vitamin A products. He claims that it is myth – just as NYNKE pointed out with Paula’s Choice article – that Vitamin A should be avoided with the sun. He says which makes sense that it even prepares the skin to withstand the sun easier if you take Retinol Palmitate (instead of the Vitamin A acid!). He considers Palmitate more skin friendly.

Gio March 16, 2018 - 7:51 pm

Danae, vitamin A and exfoliating acids are a winning combo. I wouldn’t exfoliates every day but you can definitely use it two/three times a week, depending on what your skin can take.

Retinyl palmitate is one of the gentlest forms of vitamin A. Vitamin A makes skin more prone to sun damage for the first month or so. After that, it shouldn’t be an issue. Anyway, always use it with sunscreen. 🙂

Kay June 19, 2018 - 11:28 pm

This seems like a great site! Here’s my question if you see it. So I’m ramping up my skincare by adding in retinol within the month at very small dose probably 3 times a week but I just realized something from reading this. My daily toner, Ole Henrikson Balancing Force Oil Control Toner has salicylic acid (bha) so does that mean I shouldn’t use that toner on the days I use the retinol serum? I also use Sunday Riley Good Genes but will only continue to use it on the non retinol night.

Gio June 22, 2018 - 12:23 pm

Kay, if you’re using only a small dose, chances are you can use the toner too without problems. If this combination were too harsh for your skin, you’d be experiencing some peeling and dryness.

Phaedra June 19, 2019 - 8:06 pm

Hi gio! Love your blog! I wanted to ask you a qudstion, I have exams right now so im sitting at home all day studying. I love skincare and I want to incorporate so many products. I know you cant combine some products. How long do I have to wait before I can apply a different product (that cant be combined with my last product i put on?

Gio August 9, 2019 - 4:47 pm

Phaedra, I’d wait 15/20 minutes, just to be sure the active has had the time to absorb properly.

Becka May 13, 2020 - 3:25 am

So I had purchased the power kit Sunday’s riley good genes and luna sleep. I did some research drunk elephant bha/aha is a better product than the good genes, I did some more digging discovered sundays riley retinoidA+ might be better than the luna sleep. so my question is can I combined the drunk elephant aha/bha with the Sunday riley retinoid A+ at night ? I know you can mix the sunday riley power kit together. I know the Sunday riley power kit will be less money but I honestly want the best effect. Is it true retinoid is better than retinol ? thats why I’m thinking I should switch my good genes to drunk elephant bha/aha & my luna sleep to reniod A+…. another thing I purchased the REN TONER wich also has aha that to much ? I’m combo another product caught my attention Peter thomas retinoid….is that any good wich products will I get more effects from ?

Gio May 17, 2020 - 2:13 pm

Becka, retinol is a retinoid. You can alternate Sunday Riley Retinoid A with Ahas at night. Never use more than one AHA or retinoid product in your routine.

David May 26, 2020 - 7:32 pm

Hello– Your chart says that you can layer AHAs+Ascorbic Acid, and it mentions that you shouldn’t mix AHAs and BHAs unless they’re in the same bottle. Why is this? Do you have a post explaining that? Also, can you mix BHAs and Ascorbic Acid? A serum containing both AHA+BHA and Ascorbic Acid?

Gio June 12, 2020 - 8:45 am

David, the only reason why I don’t recommend using these actives together is the potential for irritation. You get better results by using only the actives you need in moderation than throwing everything at your skin.


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