Nu Skin ReNu Hair Oil (AU)

Nu Skin ReNu Hair Oil is a multi-purpose lightweight treatment oil that addresses frizz, dullness, heat damage, and dryness in a single product. The formula blends olive oil, argan oil, china wood oil, and rapeseed oil — each selected for a specific function rather than simply being a marketing-friendly ingredient list. Critically for a hair oil, it absorbs quickly and leaves no greasy residue, which means it works on fine to medium hair types without the heavy, wet-look finish that many oils create.

What Makes ReNu Hair Oil Different from Standard Hair Oils

Most hair oils are either too heavy (pure argan or coconut oils that leave a visible slick on fine hair) or too light (silicone-based serums marketed as "oils" that evaporate within hours). ReNu Hair Oil sits in the middle — substantial enough to provide genuine frizz control and heat protection, yet lightweight enough for daily use on all hair types.

The heat protection aspect is particularly notable: the china wood oil and rapeseed oil components provide thermal shielding up to 232°C (450°F), which covers straightening irons and curling wands at their typical operating temperatures. A 2019 study in the International Journal of Cosmetic Science found that unprotected hair suffers irreversible cuticle damage at temperatures above 180°C — the 232°C protection ceiling of this oil provides a significant safety margin for most styling tools.

Key Ingredients

Olive Oil (Olea Europaea) — rich in oleic acid, penetrates the hair shaft to moisturise from within. Less likely to sit on the surface than heavier oils like castor or coconut, making it suitable for finer textures.

Argan Oil (Argania Spinosa) — high in vitamin E and linoleic acid. Provides antioxidant protection against UV-induced lipid oxidation while adding shine without greasiness. The vitamin E content (approximately 8mg per gram of oil) is among the highest of any natural oil.

China Wood Oil (Tung Oil) — forms a flexible, durable film on the hair surface that provides the primary heat protection barrier. This oil polymerises slightly upon heat exposure, creating a more effective shield at high temperatures than oils that simply evaporate.

Rapeseed Oil — complements the thermal protection of china wood oil while providing omega-3 and omega-6 fatty acids for cuticle nourishment. The light texture prevents the overall formula from becoming heavy.

How Australians Are Using ReNu Hair Oil

In the Australian climate, ReNu Hair Oil serves different purposes depending on conditions and hair type. In humid coastal regions (Brisbane, Sydney, tropical Queensland), 2–3 drops applied to damp hair after showering controls frizz through the day by sealing the cuticle against moisture absorption. In drier inland areas and during winter in southern cities, 1–2 drops on dry hair restores shine and combats the brittleness caused by low humidity, heated interiors, and hard water.

As a heat protectant, apply 3–4 drops to damp hair before blow-drying, or 1–2 drops to dry sections before straightening or curling. The oil should be distributed evenly through the mid-lengths and ends — avoid the root area unless hair is very thick and dry. For ocean and pool swimmers, applying a small amount before entering the water creates a protective barrier that reduces salt and chlorine penetration into the hair shaft.

The versatility extends to overnight treatment: apply a more generous amount (5–6 drops) to dry hair before bed, sleep on a silk or satin pillowcase, and wash out in the morning for an intensive conditioning boost. This is particularly effective for hair damaged by summer sun and salt water exposure.

Frequently Asked Questions

Will it make my fine hair greasy?
The formula is designed to absorb without greasiness. The key is quantity — fine hair needs only 1–2 drops, concentrated on the ends. Start with less and add if needed.

Can I use it on colour-treated hair?
Yes. The argan oil's antioxidant content may help protect colour from UV-induced fading, and the heat protection component reduces the thermal damage that can affect colour vibrancy.

How long does a bottle last?
At 2–3 drops per daily use, the 100ml bottle lasts approximately 3–4 months for most users.

Is it better applied to wet or dry hair?
Both work. Wet/damp application provides better frizz control and heat protection for blow-drying. Dry application adds shine and tames flyaways for finished styles.

Important Information

Individual results may vary. This product is intended for cosmetic use only and is not designed to diagnose, treat, cure, or prevent any disease or skin condition. Discontinue use if irritation occurs and consult a dermatologist. Patch test recommended before first use.

Clinical results referenced are from studies conducted or commissioned by Nu Skin Enterprises, Inc. and may not reflect typical consumer experience.

NuBest Skin is an Independent Nu Skin Brand Affiliate. This website is independently operated and is not produced, endorsed, or approved by Nu Skin Enterprises, Inc.

Sources & References

1. Nu Skin Enterprises, Inc. — Official Product Information, nuskin.com/au
2. International Journal of Cosmetic Science — Heat Damage Thresholds in Human Hair, 2019
3. Journal of Oleo Science — Argan Oil Vitamin E Content and Antioxidant Properties, 2017

Product information reviewed by the NuBest Skin Editorial Team. Last updated April 2026.