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Lysozyme is one of nature’s most remarkable defense enzymes, small in size but vital in protecting the body from infection. It was first discovered by Sir Alexander Fleming in 1922, long before he identified penicillin. Found naturally in human saliva, tears, mucus, and breast milk, lysozyme is part of the body’s innate immune system, acting as a biological barrier against invading microbes. In oral health, it plays an essential role in maintaining balance within the mouth’s microbiome while supporting tissue healing and defense.
Lysozyme works by breaking down the cell walls of bacteria, specifically targeting a structural component called peptidoglycan, found mainly in Gram-positive bacteria. By hydrolyzing the glycosidic bond between the molecules N-acetylmuramic acid and N-acetylglucosamine, it causes the bacterial cell wall to rupture. This mechanism effectively kills or weakens harmful bacteria while allowing beneficial species to survive, maintaining microbial harmony.

In addition to its direct antibacterial function, lysozyme also shows anti-inflammatory, antifungal, and antiviral properties. It helps control biofilm formation, a key factor in gum disease and plaque buildup, and supports tissue regeneration by reducing oxidative stress and inflammatory markers.
The mouth is home to over 700 species of microorganisms, many of which are beneficial. However, when this microbiome balance is disrupted, due to stress, illness, chemotherapy, poor hygiene, or use of harsh mouthwashes, harmful bacteria can dominate, leading to gum inflammation, ulcers, infections, and bad breath.
Here’s how lysozyme helps:
Protects natural balance by reducing harmful bacterial overgrowth without wiping out beneficial microbes.
Prevents biofilm formation, the sticky layer of bacteria responsible for plaque, gingivitis, and tooth decay.
Supports gum healing and mucosal recovery through its natural anti-inflammatory and cell-protective effects.
Enhances salivary defenses, helping maintain the mouth’s first line of immune protection.
Improves freshness and comfort by reducing odor-causing bacteria and inflammation-induced discomfort.
H2Ocean integrates lysozyme into its Healing Rinse Mouthwash and other oral care formulations because it aligns perfectly with the company’s natural, science backed approach. Unlike alcohol based mouthwashes that can damage tissues and dry the mouth, H2Ocean’s formula leverages lysozyme’s natural antibacterial properties to achieve microbial balance safely.

When combined with sea salt from the Red Sea, rich in 82+ trace minerals, and xylitol, a natural non-sugar sweetener that inhibits cavity causing bacteria, lysozyme becomes part of a synergistic trio that supports oral wellness on multiple levels.
Lysozyme: Breaks down harmful bacterial walls and reduces infection risk.
Red Sea Salt Minerals: Help soothe irritation, reduce inflammation, and replenish trace elements essential for healing.
Xylitol: Encourages saliva production and reduces acid-producing bacteria, making the oral environment more resilient. It is diabetic safe as well.
This combination of ingredients creates a balanced, soothing rinse ideal for everyday use as well as for post surgical, chemo mouth related, or sensitive oral conditions.

Since lysozyme is naturally present in saliva, H2Ocean’s lysozyme based formula is biocompatible and safe for daily use. It’s free from alcohol, dyes, synthetic fluoride, and artificial preservatives, making it suitable for people with sensitivities, dry mouth, or mucosal irritation. Unlike synthetic antiseptics and alcohols, that can cause burning or disrupt the oral microbiome, H2Ocean Healing Rinse with lysozyme works harmoniously with your body’s natural defenses.
Modern oral science is increasingly shifting toward microbiome friendly formulations that support rather than sterilize the mouth. Lysozyme is at the forefront of this movement, offering a natural, effective alternative to chemical based antimicrobials. Its combination of broad spectrum antibacterial action, tissue protection, and microbiome preservation makes it one of the most promising ingredients in next-generation oral health care.
Lysozyme represents the perfect bridge between nature and science. Its proven ability to protect, heal, and balance makes it invaluable in modern oral care formulations. By combining lysozyme with the mineral richness of Red Sea salt and anti-caries power of xylitol, H2Ocean Healing Rinse offers a premium, biologically safe solution for oral hygiene. It’s gentle, effective, and designed to work in harmony with the body’s natural defenses, keeping your mouth clean, hydrated, and healthy every day.