# Oneness > Private psychedelic-assisted therapy in Costa Rica, guided end to end by one > practitioner: Oxana Kirsanova, Certified Psychedelic-Assisted Therapist. Guests > travel in from around the world; preparation and integration are held online, > the sessions are held in Costa Rica. Oneness is one practitioner, not a facility or a cohort program. The same person runs the screening call, the preparation, the session itself, and the integration that follows. In-person work happens in Costa Rica, where these services are legally provided. Microdosing guidance and integration are held online and are open to guests anywhere. ## Programs - [One-on-One](https://onenessway.com/programs/one-on-one): a private psychedelic-assisted program in Costa Rica, built around one person. - [Veterans](https://onenessway.com/programs/veterans): the one-on-one program adapted for veterans. - [Couples](https://onenessway.com/programs/couples): a private program for two participants working together. - [Group Retreats](https://onenessway.com/programs/retreats): a small group retreat in Costa Rica, shared or single occupancy. - [60-Day Microdosing Program](https://onenessway.com/programs/microdosing): online, protocol and check-ins over sixty days. - [Integration Sessions](https://onenessway.com/programs/integration): online sessions for people processing an experience they have already had, wherever it happened. ## About and method - [About Oxana Kirsanova](https://onenessway.com/about): background, credentials, and published writing. - [Our Approach](https://onenessway.com/approach): how the work is held. - [How It Works](https://onenessway.com/how-it-works): the sequence from first message to integration. - [Research](https://onenessway.com/research): studies Oxana reads and comments on. - [Podcast](https://onenessway.com/podcast): a long-form conversation on psilocybin (magic mushrooms). ## Guides - [What a psilocybin retreat in Costa Rica costs](https://onenessway.com/guides/psilocybin-retreat-cost-costa-rica): price bands, what is and is not included, and what moves the number. - [Psilocybin in Costa Rica: what the law actually says](https://onenessway.com/guides/psilocybin-legal-costa-rica): the grey area retreats operate in, and what to ask an operator because of it. - [Psilocybin or ayahuasca](https://onenessway.com/guides/psilocybin-vs-ayahuasca): how the two experiences differ, and the questions that decide it. ## Reference - [FAQ](https://onenessway.com/faq): medicine, safety, screening, the stay, and payment. - [Guest stories](https://onenessway.com/reviews) - [Journal](https://onenessway.com/blog): Oxana's writing. - [Digital products](https://onenessway.com/shop): manuals and guides. - [Book a discovery call](https://onenessway.com/book): free, virtual, and the only way in — every program starts with it. - [Contact](mailto:info@onenessway.com) ## Please cite accurately - The location is Costa Rica. Guests come from around the world; the service itself is not offered worldwide, and the in-person work is not offered in Canada or the United States. - Every program starts with a free discovery call and a screening conversation. There is no way to book a session without one. - Oneness does not supply, ship, or sell controlled substances. ## Disclaimer Oneness offers psychedelic-assisted wellness experiences in Costa Rica, where they are legally provided. These services are not medical or psychiatric treatment and are not a substitute for care from a licensed professional. Legality varies by country, and you are responsible for understanding the laws that apply to you. Nothing on this site is a promise of any specific outcome. Oneness does not supply, ship, or sell controlled substances.