Kelp powder
Dark green. Lovely Greens supplier or guide
Opens the calculator’s starter recipe with this additive in it. No source gives a dose to fill in, so enter your own.
What it is
Kelp powder is a powdered seaweed; the one Voyageur sells is Ascophyllum nodosum.
Voyageur Soap & Candle supplier or guide
How much
- up to 3 tsp per pound of oils Lovely Greens supplier or guide
No dose to fill in: enter your own.
When and how
- Usually: at light trace.
- Stir it in as it is.
Lovely Greens supplier or guide
What it does to the recipe
- It changes neither the lye nor the water: it is only weight in the bar.
Worth knowing
- Stirred in dry, it leaves specks: mix it with a little oil or water first. Lovely Greens supplier or guide
- In the EU soap is a cosmetic, and may be coloured only with the colourants in Annex IV of the Cosmetics Regulation. In the US the colour additives allowed in cosmetics do not include this one; a true soap sold as soap alone is not a cosmetic there. Regulation (EC) No 1223/2009; 21 CFR 73 primary source
Spoons and drops
- 1 tsp ≈ 3.15 g
- 1 tbsp ≈ 9.45 g
- 1 cup ≈ 151 g
Voyageur Soap & Candle supplier or guide
INCI name
CosIng has no single INCI name for it: label it by what it contains.
Recipes that use it
Guides that discuss it
Sources
Lovely Greens, natural soap colorants: cinnamon, "use up to 1 tsp ground cinnamon powder PPO. Be aware that cinnamon leaves a slightly gritty feeling"; beetroot, "Warm to dull brown", "Unfortunately, beets do not color CP/HP soap red"; black walnut hull powder, "Add powder at trace and be aware that they create a scratchy or exfoliating texture"; red sandalwood, "Add 1/4-1/2 tsp powder PPO at trace after premixing in a little oil. Can be very scratchy if you use more than this"; woad, "Add 1-2 tsp powder PPO to the lye solution"; rose hips, "Up to 1 tsp ground rosehip powder PPO"; nettle leaf, "muted green", "Premix dried and powdered nettle leaf with a little water and add at trace. Use 1-3 tsp PPO"; kelp, "Dark green", "at trace at up to 3 tsp PPO. Pre-mix in an equal amount of distilled water"; sage, "muted green that fades with time", or "1 tsp PPO dried sage at trace for dark speckles"; peppermint, "1 tsp PPO finely ground peppermint leaves at trace"; liquid chlorophyll, "stunning greens from using about 1 TBSP PPO", fading "into a greeny-yellow"; cucumber, "initially green but usually fades to a muted yellow"; chamomile, "Infuse flowers in distilled water and use the strained liquid to make the lye solution"; green tea, "Brown-green"; rhassoul clay, "Brown"; French green clay, "pale pastel green to earthy green"; "plant-based greens tend to be fugitive". PPO is per pound of oils.
EU: Regulation (EC) No 1223/2009, Article 14(1)(c), a product may contain as colourants only those in Annex IV. US: 21 CFR Part 73 Subpart C lists the colour additives for cosmetics, and turmeric, paprika and spirulina are listed for food only; under 21 CFR 701.20 a true soap, sold only as soap, is not a cosmetic.
Voyageur Soap & Candle, botanical product pages, "Approx. Cups/ Lb": lavender flowers 17; calendula petals 44; chamomile flowers, whole, 21; red and pink rose petals and buds 22; peppermint leaf, cut and sifted, 15; eucalyptus leaf, cut and sifted, 7; sage, ground, 8; kelp powder (Ascophyllum nodosum) 3; black walnut hulls powder 4. Peppermint and eucalyptus leaves "can be sprinkled into the soap mixture when at a light trace to create a speckled effect"; comfrey leaf goes "into the lye water to create even color distribution which produces a natural green bar, or sprinkle it into the soap mixture when at a light trace". Density = 453.6 g ÷ (cups × 236.6 mL).