Longos Sense with its red, green and blue lights on and rings of light spreading from the device

Longos Sense · Quantum Light

Light matched to your skin's needs.

Longos Sense's Quantum Light mode uses quantum-dot LEDs to produce red, blue and green light at precise wavelengths. The app chooses the colour and duration based on your skin analysis.

  • Painless, no heat
  • 5-10 minutes a day
  • The app picks the colour
Longos Sense Skin surface Outer skin Dermis Fat layer Each colour reaches a different depth
Cross-section of the skin layers: blue light from Longos Sense stays in the outer skin, green light goes a little deeper and red light reaches the dermis.

How it works

Each colour, a different depth.

Quantum dots absorb the LED's light and re-emit it in a narrow wavelength set by their size. Each colour reaches a different layer of the skin.

  • Blue light · on the surfaceBlue light at around 415 nm stays in the skin's outermost layer; it is used to care for acne-prone skin.
  • Green light · toneGreen light at around 560 nm is used for uneven skin tone and helps soothe redness.
  • Red light · deeperRed light at around 630 nm reaches deeper; it supports collagen and elastin production and helps skin firmness.

Scientific explanation with references: Longos Lab

Compatible serums

More effective with the right serum.

Quantum Light is part of the device protocol of the Anti-Aging, Brightening, Anti-Acne, Moisturizing and Midnight Repair serums. Results were measured in Yıldız Technical University laboratories.

What do these numbers mean?

  1. 1What did we measure?How much the serum's active ingredients react, in other words how actively the serum works. In the lab this is measured as a tiny electric current (µA): the higher the value, the more active the serum.
  2. 2How did we compare?In the Yıldız Technical University lab we measured each serum first on its own, then with Longos Sense, in the modes the app recommends.
  3. 3What does “3× more active” mean?The same serum's activity measured with the device was three times what it was on its own. Each card shows that serum's own result.
  • Anti-aging

    Anti-Aging

    28.2%more active

    With Longos Sense: 11,5 µA on its own, 14,7 µA with the device.

    • Serum alone11,5 µA
    • With Longos Sense14,7 µA

    Device protocol

    • Red LED (2 min)
    • High Heat
    • Radiofrequency (50 sec)
    View serum
  • Open pores

    Pore Minimizer

    3.1×more active

    With the full device protocol: 8 µA on its own, 25 µA with the device.

    • Serum alone8 µA
    • With Longos Sense11 µA
    • Full protocol25 µA

    Device protocol

    • Blue/Red LED
    • Medium Heat
    • Ultrasonic Vibration or RF
    View serum
  • Spots & tone

    Brightening

    15.8%more active

    With Longos Sense: 19,6 µA on its own, 22 µA with the device.

    • Serum alone19,6 µA
    • With Longos Sense22 µA

    Device protocol

    • Cold Mode
    • Red LED
    • Radiofrequency
    View serum
  • Acne-prone

    Anti-Acne

    2.4×more active

    With the full device protocol: 10,1 µA on its own, 24 µA with the device.

    • Serum alone10,1 µA
    • With Longos Sense11 µA
    • Full protocol24 µA

    Device protocol

    • Blue LED
    • Medium Heat
    • Ultrasonic Vibration
    View serum
  • Dryness

    Moisturizing

    4.1×more active

    With the full device protocol: 15 µA on its own, 62 µA with the device.

    • Serum alone15 µA
    • With Longos Sense18 µA
    • Full protocol62 µA

    Device protocol

    • Red LED
    • Medium Heat
    • Mechanical Vibration
    View serum
  • Wrinkles

    Midnight Repair

    8.3×more active

    With the full device protocol: 7,5 µA on its own, 62 µA with the device.

    • Serum alone7,5 µA
    • With Longos Sense5,8 µA
    • Full protocol62 µA

    Device protocol

    • Red/Green LED
    • Medium Heat
    • Radiofrequency Vibration
    View serum

This is a laboratory measurement, not a measurement on skin; results on skin vary from person to person. Measurement: standard protocol, comparative electrochemical response. Not every serum behaves the same way. All results

A session

Eyes closed, a few minutes.

The app runs the session: it tells you which serum to use, in which mode and for how long.

  1. The app choosesIt suggests the light colour and serum together based on your skin analysis.
  2. Serum firstApply serum to clean skin, then glide the device over it. Don't look directly into the light while it is on; keep your eyes closed.
  3. TimeThe app counts the time; the whole routine takes 5-10 minutes a day.

FAQ

Questions, answered.

Anything else? Write to us.

Does Quantum Light feel hot or hurt?

No. The light is painless, and most people feel nothing on their skin. Don't look directly into the light, and keep your eyes closed during the session. If you feel any discomfort, stop and write to us.

Which light is for which skin?

Red light is used for firmness and elasticity, blue light for blemish-prone skin and green light for uneven skin tone. The app picks the colour based on your skin analysis.

How often should I use Quantum Light?

After cleansing and applying your serum, a 5–10 minute routine a day is enough; the light is one step of it. Based on your skin analysis, the app suggests which colour to use and for how long.

Which serum should I use with Quantum Light?

Red light is part of the device protocol for the Anti-Aging, Moisturizing and Midnight Repair serums, blue light for Anti-Acne and green light for Brightening. The app recommends the serum and the light together, based on your skin analysis.

Who should not use it?

Do not use the Quantum Light mode if you take medication that makes you sensitive to light, if you have a light-sensitive skin or eye condition, or if you have a history of light-triggered epilepsy. If you are unsure, ask your doctor.

The set's serums are pre-selected; swap any you like. You can pick the same serum more than once.