Yon-Ka — ADA Cosmetics hotel amenities
Yon-Ka
A holistic wellbeing experience — the power of nature, in a 100 % French spa brand.
Designed for relaxation and sleep
Yon-Ka is the 100% French, family-owned spa brand, a pioneer in aromatherapy since 1954, in the ADA Beauty & Wellness universe. The hotel collection is the first hotel cosmetics line designed for relaxation and sleep: all formulas contain Actimood® technology and use the lavender fragrance to improve sleep quality, relax tension and reduce stress. The line comes in SmartCare, SHAPE and Pump Dispenser, with 1 l, 5 l and 10 l refills, and is Cradle to Cradle Certified® Silver. The result is a spa experience in the room, from the bathroom to bedtime.
Shop nowA pioneer in phyto-aromatherapy
Formulas with at least 97% ingredients of natural origin, with lavender essential oil for a calming effect, skin-neutral pH, vegan, free of SLS and SLES, and free of parabens, silicones, microplastics and mineral oils; Cradle to Cradle Silver®.
Shop nowLoved by beauty connoisseurs around the world, French spa brand Yon-Ka draws on the power of nature to offer a holistic wellbeing experience.
Lavender, with Actimood® technology
The modern lavender fragrance reawakens the timeless scent of lavender, with distinct citrus and cardamom top notes set on an aromatic bouquet of eucalyptus, rosemary and cedarwood. Actimood® technology uses neuroscience for proven benefits on mood: relaxation, wellbeing, energy, self-confidence.
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How Actimood® works
Actimood® scents act on neurotransmitters such as serotonin, easing stress and lifting mood. Scent has a direct link to the limbic system: bright citrus uplifts, warm florals soothe, woody bases anchor. Developed with fragrance expert Symrise.
Discover Actimood® →Yon-Ka – Product range
A holistic wellbeing experience — the power of nature, in a 100 % French spa brand.
B2B shop — prices for hotels and professionals, excluding VAT.
ADA Cosmetics is a Green Key preferred supplier.
Yon-Ka certifications
Certified by TÜV SÜD
ISO 22716 (GMP) · EU Cosmetics Regulation 1223/2009 — batch traceability
Cradle to Cradle Certified® Silver
ADA Cosmetics is the first and only hotel cosmetics manufacturer with its entire range Cradle to Cradle Certified Silver. All products also meet the Green Key criteria. Certificate no. 12316, valid until 3 September 2028, verifiable in the public registry.
Frequently asked questions about Yon-Ka
Which dispenser systems is Yon-Ka available in?
In 300 ml SmartCare and SHAPE (refillable dispenser bottle) and in the 300 ml Pump Dispenser, for shower gel, shampoo, hair & body shampoo, conditioner, liquid soap and hand & body lotion. The 30 g soap, 30 ml bath oil and 10 ml pillow spray complete the line.
Which refills are available for Yon-Ka?
1 l (bottle) and 5 l (cubitainer) refills for all six liquid products, for refilling SmartCare and SHAPE bottles. The 10 l refill (SmartCube) is supplied under contract, through Refillution.
Which type of hotel is the Yon-Ka line suited to?
Hotels and spas that want a tangible better-sleep argument: the collection is tailored to travellers' needs, with formulas of at least 97% natural-origin ingredients, and the pillow spray and bath oil extend the spa experience from the bathroom to bedtime.
Where can I buy Yon-Ka in Romania?
Yon-Ka is an ADA Cosmetics line. In Romania, Concept Hotels, an authorized ADA Cosmetics distributor since 2004, supplies it to hotels, guesthouses and spa centres, with a B2B offer at concepthotels.ro.
ADA formulations: free from…
Yon-Ka in the ADA dispenser systems
The Yon-Ka products, by the dispenser system they are served from.


All information about Yon-Ka, in one place.
Refills & bulk
The refill jugs for Yon-Ka, for manually refilling the dispensers.


