General Inquiries:

The rollers are crafted from terahertz ores (polysilicon with a high purity of 99.9999%). Grip section: stainless steel.

The Black Diamond Beauty Roller and Fuji Shiitake Age-Defying Serum
Complimentary Luxury pouch

Handcrafted from Terahertz Ores
Each in a diamond cut with 48 facets
Changes or retains difference in temperature instantly
Penetrates 10 times deeper into the skin
Submerge in warm water for warm

No. It is crafted to roll on smooth as well as uneven skin.
Do I roll only upwards all the time?
No. It is crafted to roll upwards or downwards.

The warranty for the roller is for one year. If found to be damaged on the part of the user, the existing roller unit will be sent back to Japan for re-crafting.
US$50 will be charged for the complete re-crafting of each damaged roller.
Time of completion will be three months.
Alternatively, customers may purchase a completely new set at half the purchased price, upon return of the existing set.

Yes, one year.
Does the roller have to be changed after a specified time? No. The roller is crafted to last a lifetime.
What are the active ingredients of Fuji Shiitake Age Defying Serum? See attached. Namely, Fuji Shiitake Mushrooms, kojic acid, amino acids, vitamin C.

Recommended usage is two times a day. You may use the roller more than twice a day, but do avoid over-usage. As with over-usage for most products, the effects, for example, may bring the look of disproportion as a result of over-use.

Yes you can do that, as long as you’re not wasting/repeating resources as our roller and serum have targeted effects on acne, pigmentation, etc.
Our roller, when paired with skincare in general, penetrates skincare 10 times deeper into skin.
However, if you are cautious about developing an adverse reaction due to the combination, it’s best that you consult your doctor.

Sorry, this is not allowed.

In addition to focusing on the finished product, our journey really begins on the backend, where products are subject to quality control, tests and personal use. Up to 600 tests may be performed on any given product in three years.

Formulated to dramatically improve skin tone, firmness and texture, the production process of the serum is one key factor in quality control, producing a 100% natural and chemical-free Age-Defying Serum.

Fuji Shiitake Age-Defying Serum contains eight essential amino acids, kojic acid and concentrated Vitamin C.

Brightens skin
Fades pigmentation
Reduces acne scars
Improves skin tone
Firms up skin

One pump goes a long way. Up to two pumps for the entire face and neck.

Yes, applicable (relevant) products are.

Indeed it is. The serum contains concentrated vitamin C, and when used with the roller, it penetrates the serum 10 times deeper into skin.

Because this involves a medical condition and medication, it’s best that you consult your doctor before using our product.

The biological makeup of every person is different, hence, results vary from individual to individual.

However, we have testimonials where desired effects occur in four days, a week and three weeks respectively.

No, our products are not tested on animals. And yes, our products are cruelty-free.

Do you have any referral program?

We are looking into this at the moment..