You've Been Loyal to Big Detergent Brands. But Are They Best for Your Skin and Health?

If you have sensitive skin, you've probably done the research. You've read the labels. You've reached for Tide Free & Gentle, or All Free & Clear, or maybe Arm & Hammer Sensitive Skin because they say the right things — free of perfumes, free of dyes, gentle on skin. And you've trusted those names because, well, they're everywhere.

But here's what those brands aren't putting on the front of the bottle: Tide and Persil both contain borates, which are compounds classified by the European Chemicals Agency as Reproductive Toxicants (Category 1B). All Free & Clear contains methylisothiazolinone and methylchloroisothiazolinone, preservatives widely linked to allergic contact dermatitis and recognized as common skin sensitizers in dermatology literature. Arm & Hammer and others load their formulas with optical brighteners: chemicals that coat your clothes and sit against your skin with every wear, serving no cleaning purpose whatsoever.

None of that shows up in their "Free & Gentle" marketing message.

The good news? You don't have to accept that trade-off. Independent lab testing now proves that Heritage Park All-Purpose Fragrance-Free — an EPA SaferChoice and EWG-Verified, hypoallergenic laundry detergent from a small, family-run business — cleans right alongside the biggest names in detergent. No harsh chemicals. No ingredient concerns. Just clean clothes and genuinely clean ingredients.

What the Lab Found: Independent Testing on Real Stains

Heritage Park commissioned an independent study through Sterling Laboratories, a certified testing facility in Toledo, Ohio, using ASTM D4265-based soil removal methodology’ this is the same rigorous industry standard used to evaluate professional and consumer detergents. Five sensitive-skin liquid detergents were tested head-to-head:

• Heritage Park All-Purpose Fragrance-Free
• Persil Free & Sensitive
• Tide Free & Gentle
• All Free & Clear
• Arm & Hammer Sensitive Skin

Eight real-world stains were tested on cotton swatches: blood, chocolate, coffee, dust/sebum, grass, mud, salad dressing, and spaghetti sauce. Testing was run under two wash conditions: 90°F with moderate water hardness (typical conditions) and 60°F with 300ppm hard water, which represents some of the most challenging real-world laundry conditions consumers face. 

Heavy stains, cold water, and hard water are where many “gentle” detergents fall short in performance. But not Heritage Park. In the combined results across both test conditions, Heritage Park scored 1112.7 , 98.1% of the top performer, Persil. It tied Tide Free & Gentle almost exactly (1112.1) and outperformed both All Free & Clear (1097.4) and Arm & Hammer Sensitive Skin (1083.6). In the hardest test condition — cold water at 60°F with heavy mineral content — Heritage Park reached 99.5% of the best score, within half a percentage point of Persil and ahead of the others.

The lab's own conclusion: the products perform comparably. That means sensitive skin shoppers no longer need to choose between gentle ingredients and real cleaning power.

"People hear 'gentle detergent' and assume it’s not effective. But our formula uses targeted enzymes, including protease to break down protein-based stains like blood and grass, and amylase for starches like spaghetti sauce and chocolate. Enzymes are nature's cleanup crew. They go after the stain specifically, which is why you don't need aggressive chemicals to get a powerful clean." 
– Tom Ceconi, President, Heritage Park

EWG-Verified: Why It's Not the Same as a Good EWG Rating

Now let’s take a look at ingredient safety. A lot of people check the Environmental Working Group's Healthy Cleaning Guide and feel reassured when a product doesn't have a bright red hazard score. But there's a significant difference between an EWG rating — which is a hazard-score assigned to a product — and EWG-Verified, which is an active certification.

EWG-Verified means Heritage Park All-Purpose Fragrance-Free has been reviewed against EWG's strictest standards for ingredient disclosure, screening against high-concern chemical classes, and contaminant thresholds. It's not a score. It's a certification that the product meets a defined, documented standard.

Tide, Persil, All, and Arm & Hammer are not EWG-Verified. They have not met that bar.

For people with sensitive skin who are already reading labels carefully and already trying to avoid synthetic fragrances, dyes, harsh chemicals, and unnecessary additives, EWG-Verified status is a meaningful shortcut: someone has already done the deep screening work on your behalf.

The Ingredients That Belong on Your Radar

If you have sensitive skin, delicate skin, or you're washing clothes for someone who does — including baby clothes — here are the specific ingredients worth watching for on any detergent label:

• Borates (sodium borate, sodium metaborate): Found in Tide Free & Gentle and Persil Free & Sensitive. Classified by the European Chemicals Agency as Reproductive Toxicity Category 1B. Heritage Park contains none.
• Isothiazolinones (MI/MCI — methylisothiazolinone and methylchloroisothiazolinone): Found in All Free & Clear. Widely cited in dermatology literature as causes of allergic contact dermatitis and skin irritation. Heritage Park contains none.
• Optical brighteners (disodium distyrylbiphenyl disulfonate): Found in Persil, All, and Arm & Hammer. These UV-reactive compounds coat fabric fibers to make clothes appear whiter under light. They do nothing for cleaning performance and remain on fabric against your skin. Heritage Park contains none.
• Synthetic fragrance: Heritage Park All-Purpose is fully fragrance free, not "lightly scented" or "fresh scent," but genuinely, verifiably fragrance-free. For people prone to allergic reactions and skin irritation, this isn't a nice-to-have. It's essential.

"This lab data definitively proves that Heritage Park’s performance is comparable to the biggest names in laundry detergent" says Tom Ceconi. "But our ingredients are incomparable. We don’t use any dyes, phosphates, sulfates, chlorine, bleach, optical brighteners, or other dangerous Heritage Park is a small-batch, family-run business; that means every ingredient decision is intentional. We're not optimizing for cost-per-unit at a factory scale. We're asking what actually belongs in a detergent for sensitive skin and–more importantly – what doesn't.”

Sensitive Skin Laundry Detergent: The Full Picture

*Persil Free & Sensitive and All Free & Clear are both owned by Henkel, a multinational corporation. Two products marketed to sensitive skin consumers have different names, price points, and ingredient concerns, yet both are under the same corporate umbrella. This is a perfect illustration of how mass-market brands are optimized for mass-market priorities, not for the specific, careful needs of people with sensitive skin.

The Bottom Line for Sensitive Skin

If you've been cycling through Tide Free & Gentle, All Free & Clear, and Arm & Hammer Sensitive Skin, thinking you're getting the safest option because a massive company put "Free & Clear" on the bottle, it’s time to reconsider. Those brands are not formulated with the same level of ingredient scrutiny that Heritage Park applies. And now, independent lab testing confirms you're not giving up anything in cleaning performance by making the switch.

Heritage Park All-Purpose Fragrance-Free is EWG-Verified. It contains no borates, no isothiazolinones, and no optical brighteners. It's a hypoallergenic laundry detergent that is dermatologist tested, fragrance-free, and formulated specifically for sensitive skin. 

Just as important, it works; it cleans tough stains like grass, blood, mud, and spaghetti sauce as effectively as the best-known liquid laundry detergents on the market. You don't need “big detergent” to get big results. You just need Heritage Park.

As always, the Heritage Park team is here to answer any questions about our products and how best to use them. Feel free to give us a call or drop an email. We’d love to hear from you.

Is Heritage Park a high efficiency (HE) detergent?

Yes. Heritage Park All-Purpose Fragrance-Free is a concentrated liquid laundry detergent compatible with high efficiency washing machines as well as standard top-load and front-load washers.

Is Heritage Park Laundry Essentials the best laundry detergent for people prone to allergic reactions?

For anyone who has experienced skin flare-ups, rashes, or allergic reactions to conventional detergents, Heritage Park Laundry Essentials All-Purpose is formulated with exactly that person in mind. Unlike many liquid detergents that rely on artificial fragrances, optical brighteners, and preservatives known to trigger reactions, Heritage Park uses a fully fragrance-free, hypoallergenic formula with no ingredients in those high-concern categories. It's EWG-Verified, dermatologist tested, and independently lab-proven to remove stubborn stains — meaning you're not trading a clean wash for a safer one.

Is Heritage Park compatible with all washing machines, and does it work on stubborn stains in cold water?

Heritage Park All-Purpose is a concentrated liquid detergent that works in all washing machines, including high efficiency (HE) front-load and top-load models. And on stubborn stains specifically, the independent lab data is reassuring: tested in cold water (60°F) with hard water conditions, Heritage Park scored 99.5% of the top performer across eight stain types including grass, blood, mud, and spaghetti sauce. Cold water performance is often where liquid detergents fall short — Heritage Park doesn't.

Sources: Sterling Laboratories Independent Testing, Project 26034A (February 2026); European Chemicals Agency (ECHA) CLP classification for borates; Environmental Working Group EWG-Verified certification criteria.