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Is Double Shampooing A Scam?

Have you ever heard the advice that you should double shampoo when washing your hair? Does it sound too good to be true? Is double shampooing a scam?

I’m going to share the science behind double shampooing, and let you know whether you should be shampooing your hair and scalp twice, or if just the one will do. So, keep on reading to find out more… 

Young woman holding a board asking is double shampooing a scam on a pink background

What Happens When You Wash Your Hair With Shampoo?

When you wash your hair with shampoo, the goal is to cleanse your hair and scalp of dirt, excess oil, and product buildup. Different hair types may require different approaches to shampooing.

For instance, those with oily hair might need to wash their hair more often, while those with dry hair might go a few days between washes.

To start the shampooing process, wet your hair thoroughly. Then, take a small amount of shampoo and lather it up between your hands. Apply the lather to your hair, focusing on the roots where oil and buildup are most likely to accumulate.

Gently massage your scalp with your fingertips to help break down dirt and oil. As you work the shampoo through your hair, dirt, grease, and residue are lifted from your strands.

When you rinse the shampoo out, the suds carry away the dirt and oil, leaving your hair feeling clean and refreshed. Be sure to rinse well, as any remaining shampoo can make your hair feel heavy or greasy.

How Much Shampoo Should You Use Each Time?

When it comes to using shampoo, finding the right amount that works for you is essential to maintaining healthy hair. 

To start with, choose the right hair product that suits your hair type and needs. For example, if you have dry or sensitive scalp, consider using a gentle cleansing shampoo with nourishing ingredients such as shea.

If your hair is oily or prone to build-up, opt for a deep-cleansing shampoo that effectively removes excess oil and dirt.

Once you’ve selected the appropriate shampoo, it’s time to determine the right amount to use.

As a general rule, for short to medium-length hair, a small amount of shampoo about the size of a quarter is sufficient. However, for longer or thicker strands, you may need to use a bit more to ensure even distribution.

When you’re ready to wash, wet your hair thoroughly and evenly apply the shampoo to your scalp. Gently massage the product into your hair, creating suds that will help remove dirt and oil.

If you’re using a regular shampoo, one wash should be enough for a proper cleanse. However, if you have particularly oily hair or significant product build-up, you might consider double shampooing, which involves repeating the shampooing process.

Remember that less is often more when it comes to shampoo. Using too much product can strip your hair of its natural oils, leaving it dry and brittle.

It’s always best to start with a small amount and adjust as needed, depending on your unique hair type and the specific hair product you’ve chosen.

Young woman with wet hair sniffing an open shampoo bottle

Is Double Shampooing A Scam?

Double shampooing is a technique where you lather, rinse, and then repeat the process, essentially shampooing twice during each wash.

The idea behind this is that the first shampoo helps remove surface impurities and product buildup, while the second wash ensures a deeper clean for both your scalp and hair.

For people who use styling products or have oily hair, double shampooing can actually be beneficial.

By doing a double cleanse, you ensure that all the residue and excess oil are properly removed from your hair and scalp, leaving it feeling clean and refreshed. 

Some users claim that shampooing twice has helped them extend the time between washes, which can be a useful practice for maintaining hair health.

When it comes to how often you should double shampoo, it varies depending on your hair type and needs. Some individuals find success with double shampooing twice a week, while others may do it less frequently.

Ensure you pay attention to how your hair and scalp react, and adjust the frequency based on your personal experience.

When practicing double shampooing, make sure not just to focus on your roots but also work the suds through the lengths of your hair.

This ensures an even distribution of the cleansing agents and ultimately, a better clean.

Remember, after your double cleanse, it’s important to follow up with a conditioner to maintain your hair’s moisture balance and keep it healthy.

Should You Shampoo Your Hair Twice Whenever Washing Your Scalp And Hair?

The double shampooing idea is that the first wash removes dirt and product build-up, while the second wash penetrates deeper to thoroughly cleanse your scalp and hair. This can be especially helpful for those with oily or product-heavy hair.

However, double shampooing might not be suitable for everyone. If you have dry, chemically treated, or superfine hair, shampooing twice could strip away significant moisture and hair nutrients.

So, it’s essential to consider your hair type and scalp condition before deciding whether double shampooing is right for you.

For some individuals, using a clarifying shampoo for the first wash can be an alternative to traditional double shampooing.

Clarifying shampoos are designed to deep cleanse your hair and scalp, removing excess oil and product build-up. If your hair feels weighed down or unmanageable, a clarifying shampoo could help restore its bounce and shine.

To make the most of your double shampooing, ensure that your first shampoo doesn’t contain any harsh ingredients, such as sulfates, which can irritate your scalp or strip away your hair’s natural oils.

Your second shampoo should focus on nourishing your hair and correcting any dryness or scalp issues like dandruff or dermatitis.

The frequency at which you double shampoo is important as well. Washing your hair too often can lead to dryness, while not washing enough can result in greasy hair and build-up.

So, adjust your double shampooing routine according to how your hair and scalp feel after each wash. You might find that double cleansing every other wash or twice per week is sufficient for keeping your hair fresh and healthy.

Woman in the shower washing her hair with shampoo with lots of bubbly suds in her hair

How Often Should You Use Clarifying Shampoo?

Generally, it is recommended to use clarifying shampoo once or twice per week, depending on the needs of your hair and scalp. 

If you have oily hair, you might need to use it more frequently to remove excess oil and buildup. However, if your hair is on the drier side, consider using clarifying shampoo less frequently to prevent over-drying.

When you introduce clarifying shampoo into your routine, don’t forget to follow it up with a regular or moisturizing shampoo to replenish any lost moisture. This way, your hair will be clean and fresh, without losing its natural shine and texture.

Different hair textures might have different needs when it comes to clarifying shampoos. For example, those with curly or textured hair might benefit from using a clarifying shampoo and a moisturizing shampoo in the same wash.

The clarifying shampoo can remove product buildup, and the moisturizing shampoo will help restore hydration, ensuring your curls remain bouncy and beautiful.

Is It Possible To Over Shampoo Your Hair?

When it comes to hair care, everyone’s needs are different. You might have heard about double shampooing, which involves shampooing your hair twice in one wash.

It might work for some, but it’s not necessary for everyone. Over-shampooing your hair can sometimes lead to more harm than good, as it can strip away beneficial oils and leave your strands feeling dry.

Depending on your scalp condition, oily hair might require more frequent washing, while dry and coarse hair might benefit from less frequent shampooing.

It’s essential to find the right balance for your hair type and ensure you’re using the right products to avoid over-cleansing your strands.

Shampooing every day or twice per wash, you might experience more bad hair days than usual.

Over-shampooing can strip your hair of its natural sebum, leaving it prone to damage and feeling dry. Using a shampoo that doesn’t suit your hair type can exacerbate these issues.

To determine if double shampooing is right for you, test it out for a few weeks and see if there’s any improvement in your hair’s condition.

If you notice your hair is damaged or excessively dry, consider cutting back on the number of times you shampoo or switching to a different product.

How To Tell If Your Shampoo Is Weighing Down Your Hair?

Are you noticing that your hair doesn’t have the same bounce as it once did? Your shampoo and conditioner could be the culprits. Here are a few signs to help you determine if they’re weighing down your hair.

First, pay attention to your hair type and growth pattern. Different types of strands (fine, medium, or thick) and growth rates can affect how your hair reacts to certain products.

If you’re experiencing greasy or limp hair by the end of the day, it could be due to your shampoo and conditioner not being suitable for your hair type.

Over time, you might notice changes in your hair’s condition, such as increased frizz or lack of volume.

This may be a sign that the products you’re using are building up on your hair cuticles and not allowing them to breathe.

For example, if your hair feels unusually heavy after washing, it may be a result of product buildup weighing it down.

One way to gauge your hair’s health is to assess the change in its appearance as the day progresses. On a “good hair day,” your hair should look and feel great from morning to night.

However, if the quality of your hair worsens throughout the day, and it starts to feel greasy or lackluster, it’s a possible indication that your shampoo and conditioner are not working well for you.

You may also notice that dry shampoo isn’t as effective as it used to be. When your hair gets weighed down by the length or the products used, the dry shampoo may not penetrate and absorb the oil as effectively. This can contribute to a dull and greasy appearance.

Understanding your hair’s needs is essential when selecting the right shampoo and conditioner.

 If you’re struggling with weighed-down hair, try switching to a lighter formula designed for your hair type, such as a volumizing shampoo or a lightweight conditioner.

You could also try alternating shampoos to clarify your hair and give it a fresh start.



Double shampooing is a technique in which you wash your hair twice during one wash. Depending on your hair type and scalp condition, double shampooing can be beneficial for those with oily or product-heavy hair, as it helps effectively remove dirt and residue.

For those with dry or sensitive scalp, it might be best to avoid double shampooing altogether.

Clarifying shampoos can also offer a deep cleanse, though it’s important to follow up with a regular or moisturizing shampoo to help restore any lost moisture.

Over-shampooing can damage the quality of your hair, so pay attention to how often you’re washing and find the balance that works best for you.

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