About Slightly Toxic Rx
Located inside of Julius Monroe Salon and Spa, Slightly Toxic Rx is your go-to medical spa in O’Fallon, Missouri dedicated to elevating your beauty journey. We offer a variety of injectable services such as Botox, dermal fillers, biostimulators, medical grade chemical peels and PRP. We appreciate your individuality, understanding that each face tells its own story. Through advanced facial balancing techniques, we enhance your natural beauty, achieving results that are both subtle and transformative. Step into a space where expertise and creativity come together to help you look and feel your best!
What patients mention most
From Google's review topics across 7 reviews.
Knowledgeable staff3 reviews
Answers questions2 reviews
Relaxing atmosphere2 reviews
Caring staff2 reviews
Practice Overview
Location
939 Waterbury Falls Dr, O'Fallon, MO 63368 · View map
Business type
Medical spa
Treatments offered
Acne Scar Treatment at a Med Spa, B12 shots, Botox, Cheek Filler, Chemical peels, Chin Filler, Daxxify, Dermal fillers, Dysport, Non-Surgical Hair Restoration at Med Spas +14 more
Payment
Credit cards · Debit cards
Phone
Treatment Prices
Slightly Toxic Rx doesn't post prices online. Call (636) 614-9869 for a quote.
Is this your practice?
Claim this free listing to add photos, keep prices current and get patient requests sent straight to you.
Treatments & Specialties
Amenities & Accessibility
Accessibility
Wheelchair-accessible entranceAccessible parkingAccessible restroomAmenities
RestroomPlanning
Appointments recommendedPayments
Credit cardsDebit cardsWhat Patients Say
5.07 Google reviews
5 stars7
4 stars0
3 stars0
2 stars0
1 star0
Find the Practice
939 Waterbury Falls Dr, O'Fallon, MO 63368Get Directions →
Monday
Closed
Tuesday
Closed
Wednesday
10am–7pm
Thursday
10am–7pm
Friday
Closed
Saturday
Closed
Sunday
Closed
Before You Book
What treatments does Slightly Toxic Rx offer?
Acne Scar Treatment at a Med Spa, B12 shots, Botox, Cheek Filler, Chemical peels, Chin Filler, Daxxify, Dermal fillers, and 16 more, based on their Google profile and website.
Is Slightly Toxic Rx good?
It has a 5.0 rating from 7 Google reviews, and 7 of them are 5 stars.
Where is Slightly Toxic Rx located?
939 Waterbury Falls Dr, O'Fallon, MO 63368.
Where this information comes from: the practice's Google Business Profile (rating, hours, categories, amenities), vagaro.com (prices, team, devices, photos) and Google review topics. Last checked October 2026. This listing has not been claimed or verified by the practice.



