Austin Algae Blooms: Your Hair Is Thirsty

By Franklin Everett Shaw

May 16, 2026

Is your hair feeling like straw after a dip in Lady Bird Lake? You’re not alone. Austin’s beautiful waterways, unfortunately, can sometimes become breeding grounds for algae blooms, and these blooms can wreak havoc on your hair.

This isn’t just about aesthetics; certain types of algae produce toxins that can damage your hair’s protein structure, leading to dryness, breakage, and even discoloration. Let’s dive into how to protect your locks from these aquatic invaders, specifically tailored for us Austinites.

First, understand the enemy. Blue-green algae, or cyanobacteria, are the usual suspects in Texas waterways. They thrive in warm, stagnant water, and their toxins can bind to your hair, making it brittle and difficult to manage.

Prevention is key. Before you even think about cannonballing into Barton Creek, take these precautions.

• Protective Hairstyles: Braids, buns, and twists are your best friends. These styles minimize the surface area of your hair exposed to the water, reducing the amount of algae that can attach. Think sleek cornrows or a tightly wound bun for maximum protection.
• Pre-Swim Hair Care: Saturate your hair with clean, filtered water before swimming. This prevents your hair from absorbing as much of the algae-laden lake water. Follow this with a generous application of a leave-in conditioner or hair oil. Coconut oil or shea butter are excellent choices, creating a barrier against the algae. You can find these at most HEB locations.
• Swim Caps: While not the most fashionable, swim caps offer the ultimate protection. Look for silicone caps for a snug, waterproof fit.

Now, let’s talk about what to do if you’ve already taken a swim and your hair feels like it’s been through a tumble dryer. The goal is to remove the algae buildup without further damaging your hair.

Clarifying shampoos are your first line of defense. However, not all clarifying shampoos are created equal. Avoid harsh sulfates, which can strip your hair of its natural oils and exacerbate the problem.

Look for clarifying shampoos containing ingredients like apple cider vinegar or charcoal. These ingredients gently remove buildup without being overly drying. A great option available at Target in Austin is the SheaMoisture African Black Soap Bamboo Charcoal Deep Cleansing Shampoo.

But sometimes, clarifying shampoo isn’t enough. Algae toxins can be stubborn, and that’s where chelating treatments come in.

Chelating treatments bind to metals and minerals, including those found in algae toxins, allowing them to be rinsed away. You don’t need to spend a fortune at a salon for a chelating treatment. You can easily make one at home.

Here’s a simple DIY chelating treatment:

1. Mix 1 tablespoon of baking soda with 1 cup of distilled water.
2. Apply the mixture to your hair, focusing on the areas that feel the most affected.
3. Let it sit for 5-10 minutes.
4. Rinse thoroughly with cool water.
5. Follow with a deep conditioner to restore moisture.

Important Note: Baking soda can be drying, so use this treatment sparingly, no more than once a week. Always follow with a moisturizing treatment.

Another effective DIY chelating treatment involves citric acid. You can find citric acid powder at most health food stores, like Whole Foods Market.

1. Mix 1/4 teaspoon of citric acid powder with 1 cup of distilled water.
2. Apply to your hair after shampooing.
3. Let it sit for 2-3 minutes.
4. Rinse thoroughly.
5. Follow with a deep conditioner.

Citric acid is gentler than baking soda and can be used more frequently, perhaps twice a week if needed.

After chelating, your hair will likely be craving moisture. Deep conditioning is crucial. Look for deep conditioners containing ingredients like shea butter, coconut oil, avocado oil, or honey. These ingredients help to replenish lost moisture and restore your hair’s elasticity.

Leave the deep conditioner on for at least 30 minutes, or even longer if you have the time. You can also use a heat cap or warm towel to help the conditioner penetrate deeper into your hair shaft.

One common mistake is over-clarifying or over-chelating. This can lead to dry, brittle hair that’s even more susceptible to damage. Listen to your hair. If it feels dry or brittle, reduce the frequency of clarifying and chelating treatments.

Another pitfall is neglecting to protect your hair before swimming. Prevention is always better than cure. Don’t wait until your hair is already damaged to start taking precautions.

Consider investing in a water filter for your shower. Austin’s tap water can be hard and contain minerals that can further damage your hair. A water filter can help to remove these minerals, leaving your hair softer and healthier.

Finally, be mindful of the specific algae blooms happening in Austin. The City of Austin regularly tests water quality and issues warnings when harmful algae blooms are present. Pay attention to these warnings and avoid swimming in affected areas. You can find updated information on the City of Austin website.

Remember, maintaining healthy hair in Austin requires a proactive approach. By understanding the risks posed by algae blooms and taking steps to protect your hair, you can enjoy our beautiful waterways without sacrificing your locks. So go ahead, take a dip, but do it smart!