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The new year is still young. Now is the perfect time to pause for a moment and start consciously. Health doesn't begin with resolutions. It begins with awareness. And it starts in the mouth.
2026 stands for a new longevity movement: not as a trend, but as a daily practice. Your oral microbiome is your first line of defense – for your immune system, balance, and resilience. With Bitter Sweet, we have developed a new type of mouthwash: bioactive, alcohol-free, and microbiome-friendly – ideal for the cold season. At its core: cistus and grapefruit oil help strengthen your oral microbiome, protect your mucous membranes, and get you through the cold season—with pleasant freshness and real results. For a strong immune system, a healthy smile, and a conscious start to your oral health year in 2026.
Many people are familiar with conventional mouthwashes containing alcohol and artificial flavors. With our new mouthwash concept—Bitter Sweet—we go far beyond that, without any aggressive ingredients. Bitter Sweet supports your daily health routine:
✅ Helps protect your mucous membranes
✅ Reduces pro-inflammatory germs
✅ Promotes regeneration in sensitive areas of the mouth
✅ Refreshes with hand-picked ingredients
Conclusion: This postbiotic mouthwash is not an extra—it is the missing piece in your daily care routine. Especially now, when your body needs protection.
Two versatile plants – for your immune system and your breath
1. Cistus (rockrose)
This hardy Mediterranean plant with its high polyphenol content is considered antiviral, antibacterial, and anti-inflammatory in naturopathy. In oral care: Inhibits germs and viruses (e.g., Candida, Streptococcus mutans) Supports the gums in cases of inflammation Helps protect the mucous membranes and regulates the oral microbiome Promotes healing in sensitive areas of the mouth
2. Grapefruit oil:
The essential oils in grapefruit peel contain terpenes such as limonene, which have antimicrobial, cleansing, and mood-lifting properties. In oral care: Helps fight plaque-causing germs Promotes salivation and oral moisture Ensures an alkaline environment in the mouth Supports fresh breath with a pleasant bitter-sweet note
Bitter Sweet is more than just plant power. The formula was developed in collaboration with Andrea Sokol and is based on the latest findings in microbiome research:
🔬 Postbiotics (Lactobacillus Ferment)
Strengthen the good bacteria in your mouth and help stabilize your oral balance—your natural defense against pathogens.
🦷 Micro-hydroxyapatite
A biocompatible active ingredient that remineralizes and smooths tooth enamel – for a particularly clean, protected feeling in the mouth.
🌿 Xylitol & zinc
Known for their caries-inhibiting and anti-inflammatory effects – promote an alkaline environment that supports the natural balance of the oral flora and ensures fresh breath.
💧 No alcohol, no water, no plastic
The tabs are ideal for everyday use, on the go, super practical to use – completely sustainable and usable without water.
“This isn't just a normal mouthwash—it's a herbal protection ritual.”
Andrea Sokol—health coach, nutritionist, and long-time Natch ambassador—presents her co-creation with Natch in her latest video: Bitter Sweet—a bioactive mouthwash that not only works but also sets new standards in natural oral care.
“I am proud to be part of this revolution – with Natch, we have created a product that really works.”
Taste and experience all seven of our award-winning toothpaste and mouthwash formulas – in mini glass bottles with each 6 tabs.
The Natch Sample Box lets you experience the full spectrum of longevity-focused oral care: from soothing botanicals and remineralising hydroxyapatite to bioactive postbiotics and energising matcha. Each formula is handcrafted to help bring your mouth – and your microbiome – into perfect balance.
An invitation into a world where Cistus – a powerful Mediterranean plant – blends with Grapefruit oil and Postbiotics to create a ritual that protects, soothes, and refreshes without disrupting your natural balance.
Oral wellbeing - Bioactive. Microbiome-friendly. Beautifully bitter. Beautifully sweet. Beautifully different.
