Summer-ize Your Skin Care

No Lemons in the Morning

Avoid eating these fruits and vegetables during the day: lemons, oranges, grapefruit, celery, parsley, potatoes, and eggplant.

Why? They include a substance called Psolaren that is known to absorb UV rays. Ingested psoralen makes your skin more sensitive to UV rays, which causes 80% of skin aging. But, psoralen breaks down in 8 hours, therefore it’s fine to eat those fruits and vegetables at night.
This warning applies to cosmetics, too. If your moisturizer or serum includes extracts from the vegetables and fruits discussed above, for example, lemon (Citrus Medica Limonum – lemon oil), you are at risk of absorbing more skinunfriendly UV rays. Retinol also has the same UV-absorption effect as psolaren. Cosmetics with these ingredients should not be used during the day, and only at night.

Mirai Clinical (, from Japan, the most suncare advanced country, prohibits psolaren from the manufacturing process. “I was stunned to know that none mentions psolaren in American cosmetics brand, and there are tons of daytime cosmetics including psoralen. In Japan, many cosmetics claim no psolaren.” says, Koko Hayashi, Founder & CEO of Mirai Clinical (

In addition, many products can prematurely age skin, because they can contain active ingredients needed to break through the skin’s natural moisture barrier to reach the dermis. Mirai Clinical products, including our 3-in-1 Multi-Tasking Face Serum, do not contain any ingredient that can harm the skin’s moisture barrier, and are boosted wth astaxanthin, nature’s most powerful wrinkle remover.

More Oily Skin In the Summer Means It Need Moisture!

3-in-1 Multi-Tasking Face Serum) if necessary.)

Sunscreen Do’s and Don’ts

In Japan, every sunscreen must offer UVB an UVA protection, but this is not yet required by the FDA in the U.S. Japan takes consumer protection one step further by categorize the amount of UVA protection in every sunscreen product. PA+++ is the highest strength on the market.

Purifying & Hydrating Face Wash

Take Our Less is More Skincare Challenge
  1. Use our 3-in-1 Multi-Tasking Face Serum each morning and before bedtime.
  2. When you apply the Face Serum, don’t rub. Put it on your fingers/palms and gently press onto the skin.
  3. Wash your face with water only in the morning. Use our Purifying & Hydrating Face Wash before bed.
  4. Skin fast once a week.
  5. Forego makeup at least once a week, like during the weekend (the less makeup, the better!)

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Shop our full Mirai Clinical Less is More Skincare collection.