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Product Comparison

Here's our complete breakdown comparing the ingredients, attributes, and more of Person & Covey, Inc. DHS Sal Shampoo versus K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo .

Published on March 19, 2024

Overview

What they are

These products are both reef safe shampoos. They have a total of 5 ingredients in common

Cool Features

They both contain BHA

Suited For

They're both likely to be good for fighting acne, brightening skin, oily skin, reducing pores and scar healing

Free From

They both do not contain any harsh alcohols, oils, parabens or silicones

We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that need an update? Let us know.

Shampoo American Brand United States
Shampoo American Brand United States

Shampoo

Detergent or soap for cleansing the hair.

Shampoo

Detergent or soap for cleansing the hair.

Price

Ingredient Info

Click any item below to learn more and view relevant ingredients.
alcohol-free
silicon-free
fragrance-free
sulfate-free
paraben-free
oil-free
fungal-acne safe
reef-safe
eu-allergen-free
vegan
cruelty-free
alcohol-free
silicon-free
fragrance-free
sulfate-free
paraben-free
oil-free
fungal-acne safe
reef-safe
eu-allergen-free
vegan
cruelty-free

At a glance

Click on any of the items below to learn more

Notable Ingredients

BHA

Benefits

Good For Oily Skin
Reduces Large Pores
Scar Healing
Acne Fighting
Brightening

Concerns

Drying (2)
Irritating (2)
Rosacea
Eczema

Notable Ingredients

BHA
Exfoliators
Peptides

Benefits

Hydrating
Good For Oily Skin
Reduces Irritation
Reduces Large Pores
Scar Healing
Acne Fighting
Brightening (2)

Concerns

Drying
Irritating (2)
Rosacea (2)
Eczema (2)
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Ingredients Side-by-side

Ingredients that are highlighted in purple are present in both products.

Learn more about what what Com. / Irr. ratings are

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Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

1
What it does: Masking, Preservative, Skin Conditioning
Community Rating: Liked

Salicylic Acid (also known as beta hydroxy acid or BHA) is one of the most well-known ingredients for treating skin that struggles with blackheads and acne. It helps to exfoliate both the skin's surface and pores, and also acts as an anti-inflammatory agent.

This multitasking property makes it a great ingredient for cleaning out pores, controlling oil production, and reducing inflammation.

Unlike AHAs which are water soluble, Salicylic Acid is oil soluble. This means that it's able to exfoliate the inside of pores and reduce blackheads.

Concentrations of 0.5-2% are recognized by the U.S. FDA as an over-the-counter topical acne product.

It can cause irritation and/or dryness if one's skin already has a compromised moisture barrier, so it's best to focus on repairing that before introducing a Salicylic Acid into your routine.

In general, Salicylic Acid is a great ingredient for oily acne-prone skin.

While salicylic acid does not increase sun-sensitivity, we still recommend wearing SPF.

If you are looking for the ingredient called BHA or Butylated Hydroxyanisole, click here.

Learn more about Salicylic Acid

Person & Covey, Inc. DHS Sal Shampoo contains this as ingredient number 1.

K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo contains this as ingredient number 4.

2
What it does: Skin Conditioning, Solvent
Community Rating: Loved

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.

You'll also recognize water as that liquid we all need to stay alive. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!

Learn more about Water

Person & Covey, Inc. DHS Sal Shampoo contains this as ingredient number 2.

K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo contains this as ingredient number 1.

3
What it does: Cleansing, Foaming
Community Rating: Very Disliked

Sodium C14-16 Olefin Sulfonate is a cleansing agent made from a mixture of long chain sulfonate salts. It can also help produce foam.

This ingredient may be drying. We recommend speaking with a professional if you have concerns.

Person & Covey, Inc. DHS Sal Shampoo contains this as ingredient number 3.

K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo contains this as ingredient number 2.

4
What it does: Cleansing, Skin Conditioning
Community Rating: Disliked

Cocamidopropyl Hydroxysultaine is a synthetic cleansing agent, though it is derived from coconut oil.

It is used to enhance the texture of products by boosting lather and thickening the texture. As a cleanser, Cocamidopropyl Hydroxysultaine is mild.

Person & Covey, Inc. DHS Sal Shampoo contains this as ingredient number 5.

K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo contains this as ingredient number 3.

5
What it does: Buffering
Community Rating: Mixed

Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.

In small amounts, sodium hydroxide is considered safe to use. However, large amounts may cause chemical burns due to its high alkaline.

Your skin has a natural pH and acid mantle. This acid mantle helps prevent harmful bacteria from breaking through. The acid mantle also helps keep your skin hydrated.

"Alkaline" refers to a high pH level. A low pH level would be considered acidic.

Learn more about Sodium Hydroxide

Person & Covey, Inc. DHS Sal Shampoo contains this as ingredient number 8.

K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo contains this as ingredient number 15.

Here's what our community thinks of the ingredients in these two products.

25% are loved or liked
13% have mixed ratings
50% are disliked or very disliked
13% have no rating yet
44% are loved or liked
11% have mixed ratings
39% are disliked or very disliked
6% have no rating yet

Usage

Here's some more info on how this product is used by our community.

When to use

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Reviews

Here's what our community thinks

Person & Covey, Inc. DHS Sal Shampoo 8 ingredients

DHS Sal Shampoo hasn't been rated yet.
Rate it now

K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo 18 ingredients

4.0 /5
from 2 ratings
Cleansing (1) Straight Hair (1)
starstellastar_407's avatar

starstellastar_407

1 month ago · Combination Skin
Review

There are some clear pros and cons here.

Pros
•good for oily scalp.
•gets rid off excess sebum
•doesn't clog pores

Cons
•bottle is made...

There are some clear pros and cons here.

Pros
•good for oily scalp.
•gets rid off excess sebum
•doesn't clog pores

Cons
•bottle is made out of very hard plastic that makes squeezing out product super hard.
•dries the ends
•mega expensive, especially for 250ml
•getting the product spread through the scalp is very tough without using a lot of it. Using a different shampoo first is necessary for me

Alternatives

Our Dupe Finder has found 9 potential alternatives that have similar ingredients to Person & Covey, Inc. DHS Sal Shampoo.

See 9 alternatives

Our Dupe Finder has found 23 potential alternatives that have similar ingredients to K18 Hair PEPTIDE PREP™ Clarifying Detox Shampoo.

See 23 alternatives
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