19 Shampoo Bar Options That'll Help You Shrink Your Carbon Footprint

The Superzero Shampoo Bar For Flakes and Itchy Scalp ($18) features a combination of avocado oil, shea butter, and tea tree oil to gently cleanse the scalp and treat itchiness. Each bar is equivalent to at least two bottles of liquid shampoo.

The Garnier Whole Blends Restoring Shampoo Bar For Dry, Damaged Hair ($7) features a restorative formula that uses honey and beeswax to help protect the hair against damage and breakage during the cleansing process.

The Kitsch Clarifying Shampoo Bar ($14) uses a refreshing blend of tea tree oil and mint to deep clean the scalp and remove product buildup without overdrying the hair or stripping it of essential oils.

You can now buy one of the brand's fan-favorite items in waterless form: the Carol's Daughter Black Vanilla Moisture Sulfate Free Shampoo Bar ($11) cleanses and moisturizes dry, brittle hair with a blend of shea butter and jojoba oil.

The Ethique Hydrating Shampoo Concentrate Bar For Normal to Dry Hair ($10) is an April POPSUGAR Beauty Award winner that helps you channel your inner scientist when you use it. All you have to do is mix the block with hot water to get a liquid shampoo that'll moisturize and soften your hair with ingredients like cocoa butter and coconut oil.

With a star ingredient like olive extract, the Davines Love Shampoo Bar ($25) softens and smooths coarse hair while also bringing out a healthy shine.

All-natural By Humankind Shampoo Bars ($30 for two) are shipped in recyclable packaging, eliminating single-use plastic to avoid waste.

The Vaycay Beauty Maldives With Marula Shampoo and Conditioner Bundle ($35) is the equivalent of four bottles of traditional shampoo and conditioner.

Because blonds can have eco-friendly options too. The Superzero Purple Shampoo Bar For Blonde and Highlighted Hair ($18) is made specially for those with lightened hair, as it uses avocado oil to moisturize while offsetting any yellow or brassiness.

Lush fans may be familiar with the sweet honey-toffee scent of the Lush Cosmetics Honey I Washed My Hair Shampoo Bar ($12), which comes in many other formulas across the range. This bar promises to leave all hair types clean, soft, and full of bounce.

The Love Beauty and Planet Coconut Water Shampoo and Conditioner Bar ($5) cleanses your hair and scalp, and is housed in a recyclable carton. Plus, it also contains conditioner.

Coconut oil and cocoa butter combine in the Ethique Damage Control Shampoo Bar ($16), which is designed for dried-out and color-treated hair.

The Basin Tea Tree Shampoo Bar ($9) is rich with tea tree oil that will moisturize and ease itchy scalps and remove product buildup.

The 100 percent natural Brite Organix Bar None Hydrating Shampoo Bar ($12) contains coconut and shea butter to make your hair feel like silk.

The Love Beauty and Planet Muru Muru Shampoo Bar ($5) smells floral and refreshing, is free of harsh cleansers, leaves hair soft, and is even color safe.

The Meow Meow Tweet Shampoo Bar in Rosemary Avocado ($12) will suds up just like your favorite liquid option and deeply hydrate your hair with avocado oil and aloe vera.

Your hair will be soft and shiny after using The Yellow Bird Shampoo Bar ($10). It cleanses with kaolin clay and hydrates with jojoba oil.

The volumizing Lush Cosmetics Seanik Shampoo Bars ($12) uses sea salt for body, lemon juice for shine, and seaweed for softness.

Not only does the ArtNaturals Lavender Shampoo Bar For Hair ($6) have a relaxing scent, but it also soothes irritated scalps with coconut and olive oil.