DIY 7% glycolic acid AHA rejuvenating serum


7% Glycolic AHA serum

7% Glycolic AHA serum


It’s been awhile since my last DIY post, and to be honest I haven’t been doing any much DIYing lately apart from my basics- DIY Oil Cleansing Method cleanser and my DIY brush cleaner. After my recent move to Melbourne from NSW I’ve sadly had to bin a lot of my butters, aloe, Seamollient, oils and other bulky perishables so it will take awhile to order more supplies.

Earlier in the year, I formulated a glycolic acid serum. I’ve been wanting to do a post on this serum but only just gotten around to posting about it now because things have been so busy around here.


Glycolic acid works as an exfoliant by removing superficial skin cells from the epidermis, as well as increasing cell turnover and stimulating collagen product in the deeper dermal layers. This makes it a fantastic tool for treating pigmentation, wrinkles, and maintaining healthy skin.  I’ve noticed that my skin feels smoother, more radiant, and plumper after using the serum a few times a week.

A word of warning:

A few important points that I need to make here before we go on:

1. AHAs including Glycolic Acid photosensitises your skin. You must wear a heavy duty sunscreen when exposed to the sun at least for 24hrs after using this serum.

2. Acids have the ability to do serious damage to your skin if used inappropriately. Work with acids at your own risk and make sure you have a basic understanding of the chemistry behind them and exercise caution.

3. If you haven’t used AHAs before, or only in low concentrations/heavily buffered formulae, do NOT start at 7%. Start below 5% and then work your way up.

4. Most commercially available AHA products (cleansers, serums including Alpha- H Liquid Gold) have been buffered to neutralise some of the glycolic acid. Therefore, even though on the label the product may be 10%, there may only be 3% effective acid. Keep this in mind if you have been using a product labeled at 15% glycolic acid- do not attempt to make 15% unbuffered serum at home because it will be a LOT stronger.

7% Glycolic AHA serum ingredients

7% Glycolic AHA serum ingredients


Keep reading after the jump!


note: I have gotten to 7% concentration by diluting the 70% Glycolic Acid solution tenfold. Remember that old formula from high school chemistry?
C1V1= C2V2
Comes in handy. If you’re ever working with acid you should brush up on your basics.


7% Glycolic AHA serum

7% Glycolic AHA serum

 Step by step instructions:

(to make approximately 22mL of serum)

1. disinfect your glass mixing container and tools

2. measure out 2mL of glycolic acid and add to shot glass.

3. measure out 10mL of Aloe vera gel and add to shot glass with the glycolic.

4. measure out 9mL of Kosmea Hydrating Rose Mist/Rose Hydrosol and add to other ingredients.

5. measure out 1mL of glycerin (approx 1/5th of a teaspoon) and add to other ingredients.

6. Mix well, then pour into an airless pump bottle.

How I use the serum:

This is strictly a night time serum because of the photosensitizing effects of the acid. The next day I do a double layer of a heavy duty zinc oxide sunscreen.

I started off using this serum on top of my moisturiser at first, and twice a week. After a month, I started using it before moisturiser and 3x a week. Keep in mind that I’ve used a glycolic serum before so if you haven’t I would recommend starting at 5% or below.

I always follow up with a few drops of rose hip oil or borage oil.

I’ve mentioned this in my previous youtube vid: please excuse the ditziness

– I got my airless pump bottle from the Skin Essential Actives site. My bottle is the 15mL one.

 disclaimer: If you try this DIY serum, it is at your own risk. I take no responsibility for any mishaps. Please be careful when working with acids. 


Check out my more recent work on my photography blog

Posted by on Aug 14th, 2012 in DIY Skin Care, Skincare | 28comments


28 Responses to “DIY 7% glycolic acid AHA rejuvenating serum”

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