FAQ
FAQ
Answers to the most common questions about RK glow routines, results, and orders.
Yes. Each formula is developed to be suitable for all skin types, including sensitive.
If you are highly reactive, patch test on a small area behind the ear or along the jawline
for 24 hours before first full use.
Our key products are tested with independent laboratories to validate claims such as
hydration support, barrier repair, and visible radiance. We do not test on animals.
Most users notice an improvement in glow and hydration within 1–2 weeks, with clearer,
more balanced skin typically visible from 4–6 weeks of consistent use.
Yes. Introduce one RK product at a time and apply from thinnest to richest textures.
Avoid layering multiple exfoliating acids or intense actives on the same night unless
advised by a professional.
We currently ship to selected regions. Shipping options, costs, and delivery times are
shown at checkout based on your location.
Unopened, unused products may be returned within 14 days of delivery in their original
condition. For support, contact our customer care team with your order number.