Dior
Dior DiorShow Maximizer 4D Lash Primer
Dior DiorShow Maximizer 4D Lash Primer
@cosme rating: 5.7/7.0
No.1(*1) serum mascara base evolved to 4D
✓ 100% authentic
✓ Ships from Japan in 3-5 days
✓ Duties prepaid for US orders
✓ Tracked delivery via Japan Post
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What it is
The four effects of volume, length, curl, and beautifully separating each individual lash last for 24 hours , giving you a look that stands out. It enhances the shine and color of the mascara you apply on top, and the dense floral beauty serum ingredients make your lashes stronger, supple, and smoother with each use. The balm-like texture is gentle on the delicate eye area, coating each lash with an airy, light film, and separating them into a beautiful fan shape to make your lashes stand out in all directions and increase your eye power. You can use it as a mascara base in the morning and as a treatment in the evening. According to Dior research Data obtained. According to our research. Results may vary from person to person. Cornflower water, cotton plant extract, chamomile extract. moisturizing ingredients.
Ingredients
How to use
Apply a generous amount of mascara base to bare lashes. For the best mascara finish, apply Maximizer 4D and then apply mascara on top without waiting for it to dry. Use as a treatment at night. With its high-quality care effects, each use will leave your lashes firm, lustrous, and resilient, making them strong and supple.
We ship internationally from Japan!
Frequently Asked Questions
Is this authentic?
Yes. We only buy from official retailers and directly from the brands here in Japan. Never resellers, never grey market stock.
We are beauty lovers too, so we know the worry, especially with something you are putting on your face. Authenticity is 100% guaranteed by us.
What are your shipping rates?
On orders under US$75, shipping is a flat US$20 to the United States and US$10 to all other countries.
Orders of US$75 or more ship free, applied automatically at checkout. Your exact shipping cost is shown before you pay.
How long does delivery take?
These estimates are for International Airmail (Tracked) and include 3 to 5 business days of processing in Japan.
- United States: 12 to 15 business days
- Canada, United Kingdom, France, Germany: 9 to 12 business days
- Australia, New Zealand, Denmark, Finland, India, Indonesia, Italy, Netherlands, Spain, Sweden, Switzerland: 10 to 13 business days
- China, Hong Kong, Malaysia, Singapore, South Korea, Taiwan, Thailand, Vietnam: 8 to 10 business days
- Rest of the world: 11 to 18 business days
Actual delivery can be affected by customs clearance, seasonal congestion, or carrier delays in the destination country, all of which are outside our control.
Do you offer express shipping?
Yes. As of 22 July 2026, we offer International Express Mail through Japan Post. The cost is based on order weight and is calculated automatically at checkout.
Will I pay customs or import fees?
US orders: No. As of July 1, 2026, all US orders ship DDP (duties delivered prepaid), meaning we prepay all import duties on our end. Nothing is due at your door.
Orders outside the US: Possibly. Duties and import taxes are set by your local customs authority and are not collected at checkout, so any charges on delivery are your responsibility.
We're working on rolling out prepaid duties for more countries soon.
Addendum 2026.01.08 These are my impressions after using one product. The firmness of my lashes and the feel of applying mascara are different depending on whether I use this product or not. I think the key is to apply it thinly and as evenly as possible. If it's not evenly applied, it can clump. With the base, when I use mascara, I feel it gives my lashes a glossy, firm, and upward extension. It lasts all day without any problems. When I remove it, it depends on the mascara, but I use a remover. I don't know the correct method yet, so I'm using it because I feel safe using a remover. However, I recently noticed that some of my lashes have broken off. I don't know what the cause is. I think it's one of the options for making your lashes look beautiful (^^) 2025.10.11 I learned about it through a product introduction from BA. At first, I thought it was white, but by adjusting the pressure, it became less noticeable. I was able to use mascara without any problems, and I felt that it gave my lashes the most length. After using it for a few weeks, I noticed that my lashes have become firmer, probably thanks to the serum ingredients, and I feel like I can use it without an eyelash curler.
The fine silicone brush allows you to thoroughly coat even short lashes! It really adds length, so I no longer have to worry about short lashes in certain areas, and by using this, my lashes stay lifted all day long!
It doesn't get too liquidy and the finish is natural. It's good for makeup. It's a little pricey, but I plan to buy it again.
It doesn't contain fibers, so it doesn't stretch much! It makes your lashes a little thicker! It turns white, so I recommend it for people who wear a lot of mascara! I wear mascara every time, so I wanted some volume, so this was great! I want to layer it with something that has fibers!
When layered over Elegance Curl Lash Fixer, it creates eyelashes that look like they're made with eyelash extensions! The large comb grips the lashes well, making it easy to apply!