Ion Intensive Shine 4N Medium Natural Brown Demi Permanent

ion Intensive Shine 4N Medium Natural Brown is a demi-permanent creme hair color that refreshes, deepens or subtly changes hair tone while adding noticeable shine.

This professional-grade demi-permanent formula deposits even, natural-looking medium brown color without a full permanent lift. It’s designed to boost color depth, reduce unwanted brassiness, and leave hair feeling conditioned and reflective. The PPD-free formulation focuses on color vibrancy and surface shine rather than permanent chemical restructuring, making it a popular choice for toning, blending grays, or refreshing faded color between permanent services.

How will this shade affect my existing hair color?

If your hair is already in the light brown to dark blonde range, 4N will deepen and neutralize warm undertones to create a true medium natural brown. On darker hair, it will enrich tone and add sheen without significant lightening. For gray coverage, demi-permanent formulas may blend or soften grays instead of fully covering stubborn white strands.

• Best on levels 6–8 for a true medium brown result.
• On level 4–5, expect richer, deeper brown tones.
• Gray blending: softens appearance rather than permanent coverage.
• Use after lightening to neutralize warmth and add depth.

What does the formula do for shine and hair feel?

The crème base and conditioning agents are formulated to smooth the hair surface and increase light reflection, producing a glossy finish. Users report improved manageability after application because the product deposits conditioning proteins and emollients while coloring. Results include a sleeker look and enhanced vibrancy immediately after rinsing.

• Maximum light reflection for noticeable gloss.
• Conditioning components help reduce frizz and improve comb-through.
• Leaves hair feeling softer and looking healthier post-color.
• Fade-resistant pigments for longer-lasting tone between services.

How long does the color last and how often should I reapply?

Demi-permanent color typically lasts through multiple washes and gradually fades over 4–8 weeks depending on hair porosity and care routine. Reapplication frequency depends on desired intensity and how quickly your hair loses pigment; many users refresh every 4–6 weeks to maintain richness and shine. Using color-safe shampoos and cool rinses will extend vibrancy.

• Typical wear: about 4–8 weeks.
• Refresh every 4–6 weeks for consistent tone.
• Color-safe products and limited heat extend longevity.
• High-porosity hair may need more frequent touch-ups.

Is this product suitable for sensitive scalps or those avoiding PPD?

The ion Intensive Shine line is labeled PPD-free, which reduces exposure to that specific developer ingredient, but it still contains colorants and developers that can cause reactions in sensitive individuals. Always perform a patch test 48 hours before full application and follow safety instructions. For scalp sensitivity, consider professional consultation to choose the gentlest option.

• PPD-free formulation, lowering certain allergen risks.
• Patch test recommended 48 hours prior to use.
• For extreme sensitivity, consult a stylist or dermatologist.
• Follow manufacturer mixing and timing instructions carefully.

Who is this for: ion Intensive Shine 4N is a good match for people who want to deepen or refresh medium brown tones, reduce brassiness after lightening, or add high-shine conditioning color between permanent services. It works well for at-home color maintenance or salon use by professionals seeking a conditioning demi-permanent option that focuses on rich, natural-looking brown and boosted surface shine. Not recommended for those seeking permanent lightening or guaranteed complete gray coverage.

Ingredients

WATER