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Why do an Apple Cider Vinegar Hair Rinse?

To give you confidence in applying this apple cider vinegar hair rinse to your head, it’s important you know a few basics about how the hairs on your head come into being.

What we typically think of as “hair” is actually a two-part structure consisting of a follicle, which is a tunnel-like segment located in the skin, and a shaft, which is the visible structure that grows above the skin.

Just below the surface of the skin are sebaceous glands, which secrete sebum through the hair follicle. This oil lubricates hair and skin, and is part of the acid mantle – a very fine, slightly acidic film that maintains and protects the overall health of the hair and skin.

The acid mantle is also critical to our hair’s appearance, which – let’s be honest, is what we all really care about. The outer layer of the shaft, also known as the cuticle, is compromised of tightly packed overlapping scales. The acid mantle is instrumental in making cuticle scales lie flat, which gives hair a shiny, smooth appearance, and protects from moisture loss.

Unfortunately, this system can be easily disrupted, which is the primary cause of the ever-popular bad hair day. The acid mantle typically has a pH of around 5, which means it is slightly acidic. Many hair care products, treatments, and some shampoos are more alkaline (have a pH above 7), which can contaminate or remove the acid mantle.

When the acid mantle becomes alkaline, hair swells and the scales on the cuticle open, leaving it susceptible to breakage. It also results in frizzy, brittle hair which has a “dull” appearance due to the fact that the hair is absorbing light instead of reflecting it. (Perfect for picture day!)

The acid mantle can also be disrupted by other factors, including stress, diet, and sweat. So, proactively restoring our hair to its natural pH and maintaining the acid mantle is crucial for strong, healthy hair.

Why Raw Apple Cider Vinegar?

Apple cider vinegar (ACV) is simply the by-product of the fermentation of apples. Apples are loaded with potassium, pectin, malic acid and calcium, and fermentation fortifies the end product with even more beneficial acids and enzymes. Unfiltered (or raw) apple cider vinegar leaves all of the nutrients in the vinegar, which is why it’s the preferred option over filtered apple cider vinegar.

Because apple cider vinegar has pH of around 3 (meaning it’s acidic), when properly diluted with water, it helps to balance the pH of the hair, leading to many happy hair days.

Apple Cider Vinegar Hair Rinse Benefits

While there is no formal research exploring the benefits of an apple cider vinegar hair rinse, there are many positive side effects that you may experience based on the properties of apple cider vinegar.

First, apple cider vinegar is packed with nutrients that are great for building luscious locks, including B vitamins, vitamin C and potassium. Because it is slightly acidic, it also serves to restore the natural pH of the acid mantle. Exposure to this acidity hardens the outer layer of the hair and flattens the cuticle, resulting in hair that shines, “slides” easily, and is less prone to tangling or snagging.

It contains natural alpha-hydroxy acid, which gently exfoliates the scalp and hair, allowing for removal of dead skin cells and build up that can occur from sweat and/or conventional hair products. This improves the appearance of the hair, reduces itchiness, and allows for better styling.

For those who experience scalp-related conditions such as dandruff, apple cider vinegar can bring relief because of its anti-viral, anti-fungal, and anti-bacterial properties. In addition to being antimicrobial – apple cider vinegar is also anti-inflammatory, which can counteract the skin inflammation that typically occurs with dandruff and a dry, flaky scalp.

And the best part? All of these benefits come at a SUPER affordable price with no added conventional chemical craziness. 

Apple Cider Vinegar Hair Rinse


2-4 tbsp raw, unfiltered apple cider vinegar
16 oz water

Add a couple drops of essential oil that is safe for skin application like Myrrh (dry hair), lavender oil (all hair types), or tea tree oil (oily hair)



After shampooing and rinsing hair thoroughly, add the apple cider vinegar, water, and essential oil (optional) into an empty 16 oz plastic water bottle. Leaning your head back, pour the rinse over your entire scalp, allowing mixture to run through your hair. Be careful to avoid contact with your eyes. Let mixture sit in hair for 1-2 minutes. Rinse thoroughly.

Finding Your Perfect Ratio: The specific amount of apple cider vinegar needed will vary depending on the person. Start with 2 tbsp, and work your way up to 4 tbsp if you aren’t seeing results with the lower ratio. As a general rule of thumb, dry hair will typically do better with less apple cider vinegar, while those with oily hair or scalp issues such as dandruff will do better with more apple cider vinegar.

The first few times you use this rinse, leave the mixture in your hair for 30 – 60 seconds. If you don’t see the improvements you want, work your way up from there. If your scalp is more sensitive, you may do better with leaving it in for a shorter period of time.

How Often?
Figuring out how often to apply this rinse will depend on your current hair and scalp situation. I recommend applying this rinse no more than twice a week. However, if you have dry or “thin” hair – you may do better rinsing your hair only a couple of times a month. Experiment and see what works best for you. A good place to start is once a week. By week two or three, you’ll be able to tell if you need to back off, or pick it up.

Tips & Tricks

The best way to implement this hair rinse regularly is to leave a bottle of premixed water, vinegar & optional essential oil or honey in the shower. Just after rinsing out my shampoo, I turn the water to cool and pour the vinegar mixture over my head. I typically leave it in the time it takes to wash my body.

After the apple cider vinegar hair rinse, you do not have to use a conventional conditioner as the vinegar mixture will naturally condition your hair. Also, you will NOT smell like a head full of apple cider vinegar hair. Once your hair dries, the smell completely disappears.

If after some experimentation, you find that the lack of conditioner seems to affect the appearance of your hair, you can apply a light conditioner after the rinse. (source credit:

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