What drew me to bio-cellulose for DAYBFOR D-1 was its smooth, slippery feel and the impression of touching something close to its natural state. I also liked the protective mesh on both sides of the sheet. Those were the details I described when asked what I liked about the material.
The feeling I liked
When I touched the bio-cellulose, its particular texture was what I liked most. It felt slippery and smooth, almost as though I were handling a material in its natural state. That is a description of how it felt to me.
It is worth being precise about that impression. D-1 is a finished cosmetic product. The sheet is made through a manufacturing process, and the mask includes an essence. A natural-feeling texture does not mean an unprocessed product, nor does my preference tell you how your own skin will respond.
Bio-cellulose, also written as biocellulose, is cellulose produced by microorganisms. Research describes its use as a sheet material for cosmetic formulas. That background explains the material category; it does not turn my experience of touching it into a clinical result. [1]
The protection around the sheet
The other detail I liked was the mesh on both sides. I liked that the sheet was protected. It was a practical part of the product that stood out to me alongside the texture.
When you open D-1, the layers have different jobs. The bio-cellulose is the mask sheet. The two outer mesh layers help support it during placement and are both removed during application. The mesh is not an additional treatment layer to leave against your face. Our D-1 application guide shows the sequence.
A choice about what mattered most
There was also a decision about adding color. When that suggestion came up, I told the team that our focus should not shift toward making the product stand out visually. Thinking about our customers’ skin and maintaining good quality was the right priority.
That was the principle behind the choice to keep the material’s own color. It is not a claim that added color is inherently harmful, or that a mask without added color must be safer or better. The point was where we wanted to put our attention.
How that connects to the night before
DAYBFOR is the brand; D-1 Bio-Cellulose Mask is our mask. The idea behind it is The Night Before Your Big Day: making space for skincare at home before a day you are looking forward to. I wanted to offer that moment of preparation.
Our current site carries that idea into a simple rehearsal: get to know D-1 ahead of the occasion, so the night before is familiar. Reading about my preference for the sheet can help you understand the product’s story. Trying a product thoughtfully is how you learn about your own experience.
For general guidance, the American Academy of Dermatology recommends testing a new facial mask on a small area first and following its label. If it causes itching, burning, or stinging, remove it and wash it off. [2] Follow the directions supplied with D-1, remove it if it becomes uncomfortably tight, and never sleep with it on. If your pack and the website give different directions, ask DAYBFOR to clarify.
What this note can tell you
These are the details behind my preference: a texture I liked, a sheet protected on both sides, and a decision to keep our attention on quality. They explain a founder’s perspective. They do not promise a particular result in the mirror the next morning.
For the wider story behind the timing, read Why Did We Build DAYBFOR Around the Night Before?
Sources and context
This is a founder’s note published by DAYBFOR, the brand that sells D-1. Jack’s recollections are personal accounts.
[1] Oliveira et al., Evolution of Bacterial Cellulose in Cosmetic Applications: An Updated Systematic Review (2022). General material background; not testing of DAYBFOR D-1.
[2] American Academy of Dermatology, Do facial masks work, and should I add one to my skin care routine? General guidance; not an endorsement of D-1.