FAQ'S

Product Use

Are the products suitable for all skin types?

MDO products are suitable for all skin types. However, if you have extremely sensitive skin and/or are unsure please consult with your doctor or contact Simon Ourian M.D. here.

Is the treatment preferably for use in the evening or morning?

The MDO Skin Transforming Kit treatment can be used in the morning or in the evening. If you use the treatment in the AM, please make sure to apply a broad-spectrum sunscreen rated SPF 30 or greater during the day, as the The Exfoliant may increase your skin's sensitivity to the sun.

How often can I use the MDO Skin Transforming Kit?

Depending on your skin type, the MDO Skin Transforming Kit can be used as a daily routine or as a 28-day treatment. For sensitive skin we recommend four treatments per year.

Is The Exfoliant suitable for sensitive skin?

If used correctly – once a week over four weeks for a maximum of 10 min per treatment – The Exfoliant is suitable for sensitive skin. However, if you have extremely sensitive skin, it's best to test the Exfoliant first. Please refer to our application instructions available on the respective product page.

Can I use the kit during pregnancy? / Are the products pregnancy safe?

Dear Moms-to-be – please make sure to discuss your skincare products and routines with your trusted gynaecologist. In general, it is recommended that pregnant women avoid vitamin A, essential oils and caffeine, as well as metabolism stimulating treatments and also products that reduce the skin’s sensitivity to light. Accordingly, The Exfoliant is not suitable for use during pregnancy, as chemical peels in general can reduce the skin's sensitivity to light.

Do you recommend using a cream in the end after the routine or not?

If you have dry skin, we recommend applying a hydrating moisturizer after The Serum.

Can I use the ampoule with my routine?

Yes, our Ampoules concentrates can be use on a regular based except our Vitamin C Glow ampoules (for this particular product we recommend using a weekly treatment once a month, or 3 weeks consecutive maximum and then having a long break before using again).

How often and how long do i use the ampoules?


Our MDO Hyaluronic Filler and EGF Ampoules can be used either as a weekly treatment you can repeat multiple times per year or continuously as a hydration, filling, and anti-aging Booster within your daily skincare routine. Our Vitamin C ampoule are perfect treat pigmentation, dark spots and dull skin for a duration of max. 3 consecutive weeks, as some skin-types can become sensitive to the Vitamin C with longer-term use.You can repeat multiple times per year with a month break between treatments.

For which skin types are the products recommended?

MDO by Simon Ourian M.D. product have been developed to target specific skin concerns sush as dry, oily, acne prone, sensitive uneven skin types. You can find product for your specific skin concern here

Are the products safe to use while on acne medication?

Even though our products are clean and safe, if you are currently on an acne medication, we recommend you consulting your doctor before using any skincare products while on acne medication.

I just finished the boost series, what’s next?

After our 3 weeks skin-reset you can choose your perfect skincare routine.
- Either repeat the Boost Series for 3 more weeks
- Or build your personalized skincare routine based on your specific skin concern and needs, you can have a virtual consultation with Simon’s Avatar here

How do I get rid of wrinkles/sagging skin?

Our dream team EGF Lifting Duo is all you need.
This phenomenal instant sculpting and advanced repair duo has a powerful combination of innovative formulas that actively slow-down signs of aging and give you an instant face lift.


When do i have to use the product everyday/am/pm? How often?

MDO Boost Serie products (Ampoules concentrate and moisturizer), the cleanser, the serum can be use as part of your daily routine am or pm.
For specific information about a particular product please check out the dedicated page.

We recommend using the exfoliant once a week.

Can I combine the products with other products? And how?

MDO by Simon Ourian M.D. product can be combined as part of your personalized skincare routine

A complete skincare routine will contain
1. A Cleanser
2. Eye cream (coming soon)
3. Specific product to treat your main concern* (e.g., wrinkles, uneven tone, pigmentation, dark spots, oily, acne prone skin)
4. Serum
5. Moisturizer

Examples of products to treat specific concerns are:
Vitamin C ampoules ‹ Perfect to treat pigmentation, dark spots, uneven tone and dull skin
Hyaluronic filler ampoules ‹ natural filler treatment, designed to reduce size, depth and volume of lines & wrinkles
EFG ampoules ‹ our contouring and lifting solution that activates skin's natural repair processes
Exfoliant ‹ Instant Pore Refining, an innovative chemical peel which gently removes dead skin, resurfacing more even and glowing skin.

Product Characteristics

Where are your products manufactured?

Our products are manufactured in Germany.

Are your products vegan?

Yes, all our products are vegan.

Do you test products on animals?

No, our products are cruelty-free.

Do your products contain sulfates?

No, our products are sulfate-free.

Do your products contain nuts?

All MDO by Simon Ourian Products are nuts free, except our Intense Hydrating Moisturizer, we have chosen to use Macadamia Nuts due to its skin regenerative properties.

Where can I find the ingredient list of your products?

The ingredient list (INCI) can be found on each dedicated product page below the Product Information Header.

Shipping & Returns

Where do you ship?

Our products are shipped free of charge; in certain countries additional charges may apply if the order value is below US$ 99.00. Our products are available world wide except in countries, where the direct import of cosmetics is not allowed Please contact our customer service at care@mdo-skin.com or relay to our shipping conditions.



How long will it take for my order to arrive?

Orders will be processed within 24 hours in our fulfillment center and handed over to the designated carriers. (DHL, FedEX, USPS or others). Orders within Europe will arrive at your destination in 2 to 3 days. Orders within the USA will arrive within 3 to 5 days. Orders within the Middle East will arrive within 2 to 3 days. Rest of the World within 10 days.

What is your return policy?

If you are not satisfied with your purchase and intent to return your order, you may arrange an exchange or a return within 14 days of receipt of the order. In any case, our Customer Care Center will assist you. For more information, read here.

Where is my order?

Once your order has been shipped, you will receive a confirmation email with a tracking number and a link to track the package.
In general we recommend that you request "delivery on signature only" from the carrier. Be aware that the Terms & Conditions of the carriers might apply in case of any shipping problems.
If an order cannot be delivered because you were not present at the first delivery attempt, the driver will leave a notification card. The carrier will then try to deliver the shipment two more times. If a delivery is not successful, a notification will be left in your mailbox so that you can pick up your shipment at the location indicated on the notification card.
You can also arrange another delivery date by following the instructions sent to you be the carrier.
Our customer service is always informed of the delivery status and will notify the recipient accordingly.
In case of loss of an item or if it arrives damaged, please notify our customer service team immediately.

What are your shipping costs and how much do they cost?

Our products are shipped free of charge; in certain countries additional charges may apply for orders below US$ 99.00 or above.

Do you offer click & collect?

Currently, click & collect is not available.