Coming to the US
The Signal Your Skin Has Been Waiting For.
Japanese skin longevity science, now available in the US, helping you see visibly brighter, smoother skin in weeks, not months.
The InnerSignal Difference
Skin Longevity Secret
Energy Signal AMP
Made In Japan
25+ Years of Research
Meet Rejuvenate Extract Serum
One serum. Thirty seconds, twice a day. That's all it takes.
Fragrance-free, fast-absorbing formula
Scientific Breakthrough Energy Signal AMP by Otsuka
First time available outside Japan
Energy Signal AMP
The Molecule That Changed Everything
Energy Signal AMP is a pioneering active ingredient modeled on Adenosine monophosphate (AMP), a naturally occurring nucleotide essential to the skin's own energy and renewal systems.
