Perfect Diary Black and White Truffle Essence single-use ampoules, specially developed for time-based wrinkle care. The product claims to reduce the appearance of wrinkles, firm and repair skin in 7 days, and lift the appearance of the full-face contour with one box.

Nighttime wrinkle-care¹: hydration improves by 32.53%; nasolabial folds improve by 10.58%; cheek fullness increases by 5.67% after 7 days.

Daytime firming and wrinkle care¹: firmness improves by 31.16%; crow’s feet decrease by 23.75%; jawline lift improves by 3.05%.

Inspired by the Nobel Prize and everyday human behavior, this concept introduces wrinkle care at different times of day.

Day-and-night cellular patterns: Human cells are described as having a daytime mode and a nighttime mode.

Human behavioral characteristics: The text states that the face appears more sagging when standing or sitting during the day, and more raised when lying down asleep at night.

Illustrated positions: sitting and lying down.

In 7 days²: wrinkle care, firming, and repair; one box lifts³ the contours of the whole face.

After 7 days: crow’s feet reduced by 23.75%, firmness improved by 31.16%, and hydration improved by 32.53%.

After 28 days: crow’s feet reduced by 42.86%, firmness improved by 45.95%, and hydration improved by 42.49%.

Black and white truffle, refined with an innovative time-phased approach to reducing the appearance of lines.

Rare Italian white diamond truffle, grown in Italy under selective conditions and taking about ten years to mature.

Diagram note: Green fluorescence represents type I collagen; stronger fluorescence indicates more pronounced characteristics. The product is described as increasing type I collagen production efficiency, maintaining key nodes in the collagen structural network, and improving sagging areas of the face in multiple dimensions while upright.

Rare French black diamond truffle, sourced from Périgord, a world-renowned black truffle region.

Free-radical clearance rate: 39.7% higher in the test sample group than in the blank control group. Helps cells clear free radicals and protects cells and cell membrane structures from damage; supports the collagen network from within during sleep⁵.

Powered by two types of professional skincare ingredients to target gravity-related lines and reshape a youthful facial triangle.

Patented lifting factor⁵. Reinforces the collagen elastic network and supports the skin from within.

Comparison of DAY 0 and DAY 7. Greater and denser fluorescence intensity indicates more collagen and protein.

Water-glow-like botulinum peptide.

Strengthens the epidermal junction, improves stubborn wrinkles, and helps prevent potential wrinkles.

After continuous use for 15 and 30 days, average wrinkle depth decreased by 166.9% and 27.0%, respectively.

Real-person test: results are visible after 7 days.

After 7 days of use: crow’s feet decreased by 23.75%, the jawline lifted by 3.05%, firmness increased by 31.16%, and nasolabial-fold fullness increased by 10.58%.

External protection and inner replenishment; combined benefits help resist external irritants. Strengthens the skin barrier and protects against external aggressors; moisturizes and helps retain moisture, with antioxidant and anti-glycation benefits. Formula information: skin-mimicking factor, dual-action CP, and multi-molecular sodium hyaluronate.

Hydration increased by 32.53% after 7 days; skin radiance increased by 30.99% after 7 days.

Dual-texture design: the white tube is easily absorbed, while the black tube is more moisturizing.

White tube: gel texture, lightweight and easily absorbed. Black tube: emulsion texture, moisturizing and easy to spread.

How to use

1. Twist the top of the single-use serum ampoule to open it, then pour the serum into your palm.
2. Apply evenly to the cheeks, sides of the nose, forehead, and chin, spreading from the center outward.
3. Gently pat the face with both hands until absorbed.

Brand: PERFECT DIARY.

Product name: PERFECT DIARY Black Truffle Multi-Peptide Firming Serum.

Specification: 1.5 ml × 30 units + 1.5 ml × 30 units.

Shelf life: 3 years.

Storage: Store in a dry, well-ventilated place and avoid direct sunlight where possible.

Data source: Report No. GZA01-25120923-JC-01. Instrument test data collected after 31 women with sensitive skin, aged 31–50, used the product continuously for 7 days.

Data on the appearance of a more lifted jawline and fuller-looking cheek area came from instrument testing after continuous product use by those 31 participants.

Data source: Report No. GZA01-25120923-JC-01B1V1. Self-assessment data collected after 31 women with sensitive skin, aged 31–50, used the product continuously for 28 days.

Ingredient mechanisms do not represent product efficacy. Ingredients listed: Tripeptide-1, Hexapeptide-9, and Acetyl Hexapeptide-8.

Patent No.: FR31406070B1.